16509748617

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{391217}}^1$

素因数の和:391750

約数の個数: 20

約数和(自身を含む): 24710111316

約数和(自身を除く): 8200362699

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 14067, 42201, 391217, 1173651, 3520953, 10562859, 31688577, 203824057, 611472171, 1834416513, 5503249539, 16509748617]

約数ペア:

[(1, 16509748617), (3, 5503249539), (9, 1834416513), (27, 611472171), (81, 203824057), (521, 31688577), (1563, 10562859), (4689, 3520953), (14067, 1173651), (42201, 391217)]