131427981

素因数分解:

$3^3\times {\mathrm{521}}^1\times {\mathrm{9343}}^1$

素因数の和:9873

約数の個数: 16

約数和(自身を含む): 195102720

約数和(自身を除く): 63674739

約数列:

[1, 3, 9, 27, 521, 1563, 4689, 9343, 14067, 28029, 84087, 252261, 4867703, 14603109, 43809327, 131427981]

約数ペア:

[(1, 131427981), (3, 43809327), (9, 14603109), (27, 4867703), (521, 252261), (1563, 84087), (4689, 28029), (9343, 14067)]