81247374

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:423

約数の個数: 80

約数和(自身を含む): 198076032

約数和(自身を除く): 116828658

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 173, 223, 234, 346, 351, 446, 519, 669, 702, 1038, 1053, 1338, 1557, 2007, 2106, 2249, 2899, 3114, 4014, 4498, 4671, 5798, 6021, 6747, 8697, 9342, 12042, 13494, 14013, 17394, 18063, 20241, 26091, 28026, 36126, 38579, 40482, 52182, 60723, 77158, 78273, 115737, 121446, 156546, 182169, 231474, 234819, 347211, 364338, 469638, 501527, 694422, 1003054, 1041633, 1504581, 2083266, 3009162, 3124899, 4513743, 6249798, 9027486, 13541229, 27082458, 40623687, 81247374]

約数ペア:

[(1, 81247374), (2, 40623687), (3, 27082458), (6, 13541229), (9, 9027486), (13, 6249798), (18, 4513743), (26, 3124899), (27, 3009162), (39, 2083266), (54, 1504581), (78, 1041633), (81, 1003054), (117, 694422), (162, 501527), (173, 469638), (223, 364338), (234, 347211), (346, 234819), (351, 231474), (446, 182169), (519, 156546), (669, 121446), (702, 115737), (1038, 78273), (1053, 77158), (1338, 60723), (1557, 52182), (2007, 40482), (2106, 38579), (2249, 36126), (2899, 28026), (3114, 26091), (4014, 20241), (4498, 18063), (4671, 17394), (5798, 14013), (6021, 13494), (6747, 12042), (8697, 9342)]