81091668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137911}}^1$

素因数の和:137932

約数の個数: 36

約数和(自身を含む): 220107552

約数和(自身を除く): 139015884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 137911, 275822, 413733, 551644, 827466, 965377, 1654932, 1930754, 2896131, 3861508, 5792262, 6757639, 11584524, 13515278, 20272917, 27030556, 40545834, 81091668]

約数ペア:

[(1, 81091668), (2, 40545834), (3, 27030556), (4, 20272917), (6, 13515278), (7, 11584524), (12, 6757639), (14, 5792262), (21, 3861508), (28, 2896131), (42, 1930754), (49, 1654932), (84, 965377), (98, 827466), (147, 551644), (196, 413733), (294, 275822), (588, 137911)]