123138666

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{937}}^1$

素因数の和:1108

約数の個数: 72

約数和(自身を含む): 312776100

約数和(自身を除く): 189637434

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 149, 294, 298, 441, 447, 882, 894, 937, 1043, 1341, 1874, 2086, 2682, 2811, 3129, 5622, 6258, 6559, 7301, 8433, 9387, 13118, 14602, 16866, 18774, 19677, 21903, 39354, 43806, 45913, 59031, 65709, 91826, 118062, 131418, 137739, 139613, 275478, 279226, 413217, 418839, 826434, 837678, 977291, 1256517, 1954582, 2513034, 2931873, 5863746, 6841037, 8795619, 13682074, 17591238, 20523111, 41046222, 61569333, 123138666]

約数ペア:

[(1, 123138666), (2, 61569333), (3, 41046222), (6, 20523111), (7, 17591238), (9, 13682074), (14, 8795619), (18, 6841037), (21, 5863746), (42, 2931873), (49, 2513034), (63, 1954582), (98, 1256517), (126, 977291), (147, 837678), (149, 826434), (294, 418839), (298, 413217), (441, 279226), (447, 275478), (882, 139613), (894, 137739), (937, 131418), (1043, 118062), (1341, 91826), (1874, 65709), (2086, 59031), (2682, 45913), (2811, 43806), (3129, 39354), (5622, 21903), (6258, 19677), (6559, 18774), (7301, 16866), (8433, 14602), (9387, 13118)]