17900271

素因数分解:

$3^4\times {\mathrm{383}}^1\times {\mathrm{577}}^1$

素因数の和:972

約数の個数: 20

約数和(自身を含む): 26856192

約数和(自身を除く): 8955921

約数列:

[1, 3, 9, 27, 81, 383, 577, 1149, 1731, 3447, 5193, 10341, 15579, 31023, 46737, 220991, 662973, 1988919, 5966757, 17900271]

約数ペア:

[(1, 17900271), (3, 5966757), (9, 1988919), (27, 662973), (81, 220991), (383, 46737), (577, 31023), (1149, 15579), (1731, 10341), (3447, 5193)]