81965583

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8081}}^1$

素因数の和:8124

約数の個数: 36

約数和(自身を含む): 143730288

約数和(自身を除く): 61764705

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 8081, 10143, 24243, 56567, 72729, 169701, 185863, 395969, 509103, 557589, 1187907, 1301041, 1672767, 3563721, 3903123, 9107287, 11709369, 27321861, 81965583]

約数ペア:

[(1, 81965583), (3, 27321861), (7, 11709369), (9, 9107287), (21, 3903123), (23, 3563721), (49, 1672767), (63, 1301041), (69, 1187907), (147, 557589), (161, 509103), (207, 395969), (441, 185863), (483, 169701), (1127, 72729), (1449, 56567), (3381, 24243), (8081, 10143)]