81198108

素因数分解:

$2^2\times 3^2\times {\mathrm{719}}^1\times {\mathrm{3137}}^1$

素因数の和:3866

約数の個数: 36

約数和(自身を含む): 205601760

約数和(自身を除く): 124403652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 719, 1438, 2157, 2876, 3137, 4314, 6274, 6471, 8628, 9411, 12548, 12942, 18822, 25884, 28233, 37644, 56466, 112932, 2255503, 4511006, 6766509, 9022012, 13533018, 20299527, 27066036, 40599054, 81198108]

約数ペア:

[(1, 81198108), (2, 40599054), (3, 27066036), (4, 20299527), (6, 13533018), (9, 9022012), (12, 6766509), (18, 4511006), (36, 2255503), (719, 112932), (1438, 56466), (2157, 37644), (2876, 28233), (3137, 25884), (4314, 18822), (6274, 12942), (6471, 12548), (8628, 9411)]