90720903

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1637}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 156854880

約数和(自身を除く): 66133977

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 377, 609, 637, 1131, 1421, 1637, 1911, 2639, 4263, 4911, 7917, 11459, 18473, 21281, 34377, 47473, 55419, 63843, 80213, 142419, 148967, 240639, 332311, 446901, 617149, 996933, 1042769, 1851447, 2326177, 3128307, 4320043, 6978531, 12960129, 30240301, 90720903]

約数ペア:

[(1, 90720903), (3, 30240301), (7, 12960129), (13, 6978531), (21, 4320043), (29, 3128307), (39, 2326177), (49, 1851447), (87, 1042769), (91, 996933), (147, 617149), (203, 446901), (273, 332311), (377, 240639), (609, 148967), (637, 142419), (1131, 80213), (1421, 63843), (1637, 55419), (1911, 47473), (2639, 34377), (4263, 21281), (4911, 18473), (7917, 11459)]