202405917

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{72469}}^1$

素因数の和:72505

約数の個数: 24

約数和(自身を含む): 330463200

約数和(自身を除く): 128057283

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 72469, 217407, 507283, 1376911, 1521849, 3550981, 4130733, 9638377, 10652943, 28915131, 67468639, 202405917]

約数ペア:

[(1, 202405917), (3, 67468639), (7, 28915131), (19, 10652943), (21, 9638377), (49, 4130733), (57, 3550981), (133, 1521849), (147, 1376911), (399, 507283), (931, 217407), (2793, 72469)]