81407807

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 92794176

約数和(自身を除く): 11386369

約数列:

[1, 13, 37, 47, 169, 277, 481, 611, 1739, 3601, 6253, 7943, 10249, 13019, 22607, 46813, 133237, 169247, 293891, 481703, 1732081, 2200211, 6262139, 81407807]

約数ペア:

[(1, 81407807), (13, 6262139), (37, 2200211), (47, 1732081), (169, 481703), (277, 293891), (481, 169247), (611, 133237), (1739, 46813), (3601, 22607), (6253, 13019), (7943, 10249)]