1520449917

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{17317}}^1$

素因数の和:17477

約数の個数: 32

約数和(自身を含む): 2400690432

約数和(自身を除く): 880240515

約数列:

[1, 3, 7, 21, 37, 111, 113, 259, 339, 777, 791, 2373, 4181, 12543, 17317, 29267, 51951, 87801, 121219, 363657, 640729, 1922187, 1956821, 4485103, 5870463, 13455309, 13697747, 41093241, 72402377, 217207131, 506816639, 1520449917]

約数ペア:

[(1, 1520449917), (3, 506816639), (7, 217207131), (21, 72402377), (37, 41093241), (111, 13697747), (113, 13455309), (259, 5870463), (339, 4485103), (777, 1956821), (791, 1922187), (2373, 640729), (4181, 363657), (12543, 121219), (17317, 87801), (29267, 51951)]