15931900521

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{138179}}^1$

素因数の和:138765

約数の個数: 24

約数和(自身を含む): 24056585280

約数和(自身を除く): 8124684759

約数列:

[1, 3, 9, 23, 69, 207, 557, 1671, 5013, 12811, 38433, 115299, 138179, 414537, 1243611, 3178117, 9534351, 28603053, 76965703, 230897109, 692691327, 1770211169, 5310633507, 15931900521]

約数ペア:

[(1, 15931900521), (3, 5310633507), (9, 1770211169), (23, 692691327), (69, 230897109), (207, 76965703), (557, 28603053), (1671, 9534351), (5013, 3178117), (12811, 1243611), (38433, 414537), (115299, 138179)]