1561446

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:620

約数の個数: 24

約数和(自身を含む): 3407040

約数和(自身を除く): 1845594

約数列:

[1, 2, 3, 6, 9, 18, 223, 389, 446, 669, 778, 1167, 1338, 2007, 2334, 3501, 4014, 7002, 86747, 173494, 260241, 520482, 780723, 1561446]

約数ペア:

[(1, 1561446), (2, 780723), (3, 520482), (6, 260241), (9, 173494), (18, 86747), (223, 7002), (389, 4014), (446, 3501), (669, 2334), (778, 2007), (1167, 1338)]