16916289

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 26302080

約数和(自身を除く): 9385791

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 617, 703, 741, 1443, 1851, 2109, 8021, 9139, 11723, 22829, 24063, 27417, 35169, 68487, 152399, 296777, 433751, 457197, 890331, 1301253, 5638763, 16916289]

約数ペア:

[(1, 16916289), (3, 5638763), (13, 1301253), (19, 890331), (37, 457197), (39, 433751), (57, 296777), (111, 152399), (247, 68487), (481, 35169), (617, 27417), (703, 24063), (741, 22829), (1443, 11723), (1851, 9139), (2109, 8021)]