231558561

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1703

約数の個数: 48

約数和(自身を含む): 383685120

約数和(自身を除く): 152126559

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 169, 279, 351, 403, 507, 837, 1209, 1521, 1637, 3627, 4563, 4911, 5239, 10881, 14733, 15717, 21281, 44199, 47151, 50747, 63843, 141453, 152241, 191529, 276653, 456723, 574587, 659711, 829959, 1370169, 1979133, 2489877, 5937399, 7469631, 8576243, 17812197, 25728729, 77186187, 231558561]

約数ペア:

[(1, 231558561), (3, 77186187), (9, 25728729), (13, 17812197), (27, 8576243), (31, 7469631), (39, 5937399), (93, 2489877), (117, 1979133), (169, 1370169), (279, 829959), (351, 659711), (403, 574587), (507, 456723), (837, 276653), (1209, 191529), (1521, 152241), (1637, 141453), (3627, 63843), (4563, 50747), (4911, 47151), (5239, 44199), (10881, 21281), (14733, 15717)]