81882921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 119070720

約数和(自身を除く): 37187799

約数列:

[1, 3, 23, 29, 69, 87, 151, 271, 453, 667, 813, 2001, 3473, 4379, 6233, 7859, 10419, 13137, 18699, 23577, 40921, 100717, 122763, 180757, 302151, 542271, 941183, 1186709, 2823549, 3560127, 27294307, 81882921]

約数ペア:

[(1, 81882921), (3, 27294307), (23, 3560127), (29, 2823549), (69, 1186709), (87, 941183), (151, 542271), (271, 302151), (453, 180757), (667, 122763), (813, 100717), (2001, 40921), (3473, 23577), (4379, 18699), (6233, 13137), (7859, 10419)]