81616491

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 134164800

約数和(自身を除く): 52548309

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 139, 297, 417, 659, 891, 1251, 1529, 1977, 3753, 4587, 5931, 7249, 11259, 13761, 17793, 21747, 41283, 53379, 65241, 91601, 123849, 195723, 274803, 587169, 824409, 1007611, 2473227, 3022833, 7419681, 9068499, 27205497, 81616491]

約数ペア:

[(1, 81616491), (3, 27205497), (9, 9068499), (11, 7419681), (27, 3022833), (33, 2473227), (81, 1007611), (99, 824409), (139, 587169), (297, 274803), (417, 195723), (659, 123849), (891, 91601), (1251, 65241), (1529, 53379), (1977, 41283), (3753, 21747), (4587, 17793), (5931, 13761), (7249, 11259)]