61681815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 116433408

約数和(自身を除く): 54751593

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 97, 117, 195, 291, 485, 585, 873, 1087, 1261, 1455, 3261, 3783, 4365, 5435, 6305, 9783, 11349, 14131, 16305, 18915, 42393, 48915, 56745, 70655, 105439, 127179, 211965, 316317, 527195, 635895, 948951, 1370707, 1581585, 4112121, 4744755, 6853535, 12336363, 20560605, 61681815]

約数ペア:

[(1, 61681815), (3, 20560605), (5, 12336363), (9, 6853535), (13, 4744755), (15, 4112121), (39, 1581585), (45, 1370707), (65, 948951), (97, 635895), (117, 527195), (195, 316317), (291, 211965), (485, 127179), (585, 105439), (873, 70655), (1087, 56745), (1261, 48915), (1455, 42393), (3261, 18915), (3783, 16305), (4365, 14131), (5435, 11349), (6305, 9783)]