15978339

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3691}}^1$

素因数の和:3747

約数の個数: 24

約数和(自身を含む): 25533872

約数和(自身を除く): 9555533

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 3691, 4329, 11073, 33219, 47983, 136567, 143949, 409701, 431847, 1229103, 1775371, 5326113, 15978339]

約数ペア:

[(1, 15978339), (3, 5326113), (9, 1775371), (13, 1229103), (37, 431847), (39, 409701), (111, 143949), (117, 136567), (333, 47983), (481, 33219), (1443, 11073), (3691, 4329)]