201513921

素因数分解:

$3^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{3617}}^1$

素因数の和:4013

約数の個数: 24

約数和(自身を含む): 313463520

約数和(自身を除く): 111949599

約数列:

[1, 3, 7, 21, 49, 147, 379, 1137, 2653, 3617, 7959, 10851, 18571, 25319, 55713, 75957, 177233, 531699, 1370843, 4112529, 9595901, 28787703, 67171307, 201513921]

約数ペア:

[(1, 201513921), (3, 67171307), (7, 28787703), (21, 9595901), (49, 4112529), (147, 1370843), (379, 531699), (1137, 177233), (2653, 75957), (3617, 55713), (7959, 25319), (10851, 18571)]