81405073

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 87091200

約数和(自身を除く): 5686127

約数列:

[1, 23, 59, 239, 251, 1357, 5497, 5773, 14101, 14809, 59989, 324323, 340607, 1379747, 3539351, 81405073]

約数ペア:

[(1, 81405073), (23, 3539351), (59, 1379747), (239, 340607), (251, 324323), (1357, 59989), (5497, 14809), (5773, 14101)]