81909670713

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{3970223}}^1$

素因数の和:3970285

約数の個数: 24

約数和(自身を含む): 122949896832

約数和(自身を除く): 41040226119

約数列:

[1, 3, 13, 23, 39, 69, 299, 529, 897, 1587, 6877, 20631, 3970223, 11910669, 51612899, 91315129, 154838697, 273945387, 1187096677, 2100247967, 3561290031, 6300743901, 27303223571, 81909670713]

約数ペア:

[(1, 81909670713), (3, 27303223571), (13, 6300743901), (23, 3561290031), (39, 2100247967), (69, 1187096677), (299, 273945387), (529, 154838697), (897, 91315129), (1587, 51612899), (6877, 11910669), (20631, 3970223)]