81946473

素因数分解:

$3^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{821}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 128889600

約数和(自身を除く): 46943127

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 343, 679, 821, 1029, 2037, 2463, 4753, 5747, 14259, 17241, 33271, 40229, 79637, 99813, 120687, 238911, 281603, 557459, 844809, 1672377, 3902213, 11706639, 27315491, 81946473]

約数ペア:

[(1, 81946473), (3, 27315491), (7, 11706639), (21, 3902213), (49, 1672377), (97, 844809), (147, 557459), (291, 281603), (343, 238911), (679, 120687), (821, 99813), (1029, 79637), (2037, 40229), (2463, 33271), (4753, 17241), (5747, 14259)]