216957123

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{56989}}^1$

素因数の和:57048

約数の個数: 20

約数和(自身を含む): 330997920

約数和(自身を除く): 114040797

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 56989, 170967, 512901, 1538703, 2678483, 4616109, 8035449, 24106347, 72319041, 216957123]

約数ペア:

[(1, 216957123), (3, 72319041), (9, 24106347), (27, 8035449), (47, 4616109), (81, 2678483), (141, 1538703), (423, 512901), (1269, 170967), (3807, 56989)]