291220665

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{2311}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 482967552

約数和(自身を除く): 191746887

約数列:

[1, 3, 5, 15, 31, 93, 155, 271, 465, 813, 1355, 2311, 4065, 6933, 8401, 11555, 25203, 34665, 42005, 71641, 126015, 214923, 358205, 626281, 1074615, 1878843, 3131405, 9394215, 19414711, 58244133, 97073555, 291220665]

約数ペア:

[(1, 291220665), (3, 97073555), (5, 58244133), (15, 19414711), (31, 9394215), (93, 3131405), (155, 1878843), (271, 1074615), (465, 626281), (813, 358205), (1355, 214923), (2311, 126015), (4065, 71641), (6933, 42005), (8401, 34665), (11555, 25203)]