1900515879

素因数分解:

$3^5\times {\mathrm{89}}^1\times {\mathrm{87877}}^1$

素因数の和:87981

約数の個数: 24

約数和(自身を含む): 2878883280

約数和(自身を除く): 978367401

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 801, 2403, 7209, 21627, 87877, 263631, 790893, 2372679, 7118037, 7821053, 21354111, 23463159, 70389477, 211168431, 633505293, 1900515879]

約数ペア:

[(1, 1900515879), (3, 633505293), (9, 211168431), (27, 70389477), (81, 23463159), (89, 21354111), (243, 7821053), (267, 7118037), (801, 2372679), (2403, 790893), (7209, 263631), (21627, 87877)]