210662757

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 326093040

約数和(自身を除く): 115430283

約数列:

[1, 3, 9, 29, 53, 87, 97, 157, 159, 261, 291, 471, 477, 873, 1413, 1537, 2813, 4553, 4611, 5141, 8321, 8439, 13659, 13833, 15229, 15423, 24963, 25317, 40977, 45687, 46269, 74889, 137061, 149089, 241309, 441641, 447267, 723927, 807137, 1324923, 1341801, 2171781, 2421411, 3974769, 7264233, 23406973, 70220919, 210662757]

約数ペア:

[(1, 210662757), (3, 70220919), (9, 23406973), (29, 7264233), (53, 3974769), (87, 2421411), (97, 2171781), (157, 1341801), (159, 1324923), (261, 807137), (291, 723927), (471, 447267), (477, 441641), (873, 241309), (1413, 149089), (1537, 137061), (2813, 74889), (4553, 46269), (4611, 45687), (5141, 40977), (8321, 25317), (8439, 24963), (13659, 15423), (13833, 15229)]