1221128937

素因数分解:

$3^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{29683}}^1$

素因数の和:30349

約数の個数: 24

約数和(自身を含む): 2018986944

約数和(自身を除く): 797858007

約数列:

[1, 3, 7, 9, 21, 63, 653, 1959, 4571, 5877, 13713, 29683, 41139, 89049, 207781, 267147, 623343, 1870029, 19382999, 58148997, 135680993, 174446991, 407042979, 1221128937]

約数ペア:

[(1, 1221128937), (3, 407042979), (7, 174446991), (9, 135680993), (21, 58148997), (63, 19382999), (653, 1870029), (1959, 623343), (4571, 267147), (5877, 207781), (13713, 89049), (29683, 41139)]