656475273

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{172439}}^1$

素因数の和:172498

約数の個数: 20

約数和(自身を含む): 1001531520

約数和(自身を除く): 345056247

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 172439, 517317, 1551951, 4655853, 8104633, 13967559, 24313899, 72941697, 218825091, 656475273]

約数ペア:

[(1, 656475273), (3, 218825091), (9, 72941697), (27, 24313899), (47, 13967559), (81, 8104633), (141, 4655853), (423, 1551951), (1269, 517317), (3807, 172439)]