81492138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 226100160

約数和(自身を除く): 144608022

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 63, 78, 86, 89, 91, 117, 126, 129, 169, 178, 182, 234, 258, 267, 273, 301, 338, 387, 507, 534, 546, 559, 602, 623, 774, 801, 819, 903, 1014, 1118, 1157, 1183, 1246, 1521, 1602, 1638, 1677, 1806, 1869, 2314, 2366, 2709, 3042, 3354, 3471, 3549, 3738, 3827, 3913, 5031, 5418, 5607, 6942, 7098, 7267, 7654, 7826, 8099, 10062, 10413, 10647, 11214, 11481, 11739, 14534, 15041, 16198, 20826, 21294, 21801, 22962, 23478, 24297, 26789, 30082, 34443, 35217, 43602, 45123, 48594, 49751, 50869, 53578, 65403, 68886, 70434, 72891, 80367, 90246, 99502, 101738, 105287, 130806, 135369, 145782, 149253, 152607, 160734, 210574, 241101, 270738, 298506, 305214, 315861, 348257, 447759, 457821, 482202, 631722, 646763, 696514, 895518, 915642, 947583, 1044771, 1293526, 1895166, 1940289, 2089542, 3134313, 3880578, 4527341, 5820867, 6268626, 9054682, 11641734, 13582023, 27164046, 40746069, 81492138]

約数ペア:

[(1, 81492138), (2, 40746069), (3, 27164046), (6, 13582023), (7, 11641734), (9, 9054682), (13, 6268626), (14, 5820867), (18, 4527341), (21, 3880578), (26, 3134313), (39, 2089542), (42, 1940289), (43, 1895166), (63, 1293526), (78, 1044771), (86, 947583), (89, 915642), (91, 895518), (117, 696514), (126, 646763), (129, 631722), (169, 482202), (178, 457821), (182, 447759), (234, 348257), (258, 315861), (267, 305214), (273, 298506), (301, 270738), (338, 241101), (387, 210574), (507, 160734), (534, 152607), (546, 149253), (559, 145782), (602, 135369), (623, 130806), (774, 105287), (801, 101738), (819, 99502), (903, 90246), (1014, 80367), (1118, 72891), (1157, 70434), (1183, 68886), (1246, 65403), (1521, 53578), (1602, 50869), (1638, 49751), (1677, 48594), (1806, 45123), (1869, 43602), (2314, 35217), (2366, 34443), (2709, 30082), (3042, 26789), (3354, 24297), (3471, 23478), (3549, 22962), (3738, 21801), (3827, 21294), (3913, 20826), (5031, 16198), (5418, 15041), (5607, 14534), (6942, 11739), (7098, 11481), (7267, 11214), (7654, 10647), (7826, 10413), (8099, 10062)]