213732009

素因数分解:

$3^2\times {\mathrm{271}}^1\times {\mathrm{87631}}^1$

素因数の和:87908

約数の個数: 12

約数和(自身を含む): 309866752

約数和(自身を除く): 96134743

約数列:

[1, 3, 9, 271, 813, 2439, 87631, 262893, 788679, 23748001, 71244003, 213732009]

約数ペア:

[(1, 213732009), (3, 71244003), (9, 23748001), (271, 788679), (813, 262893), (2439, 87631)]