25228827

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 60

約数和(自身を含む): 43400280

約数和(自身を除く): 18171453

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 97, 117, 169, 171, 247, 291, 351, 507, 513, 741, 873, 1053, 1261, 1521, 1539, 1843, 2223, 2619, 3211, 3783, 4563, 5529, 6669, 7857, 9633, 11349, 13689, 16393, 16587, 20007, 23959, 28899, 34047, 49179, 49761, 71877, 86697, 102141, 147537, 149283, 215631, 260091, 311467, 442611, 646893, 934401, 1327833, 1940679, 2803203, 8409609, 25228827]

約数ペア:

[(1, 25228827), (3, 8409609), (9, 2803203), (13, 1940679), (19, 1327833), (27, 934401), (39, 646893), (57, 442611), (81, 311467), (97, 260091), (117, 215631), (169, 149283), (171, 147537), (247, 102141), (291, 86697), (351, 71877), (507, 49761), (513, 49179), (741, 34047), (873, 28899), (1053, 23959), (1261, 20007), (1521, 16587), (1539, 16393), (1843, 13689), (2223, 11349), (2619, 9633), (3211, 7857), (3783, 6669), (4563, 5529)]