642069657

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 983586240

約数和(自身を除く): 341516583

約数列:

[1, 3, 9, 29, 83, 87, 107, 249, 261, 277, 321, 747, 831, 963, 2407, 2493, 3103, 7221, 8033, 8881, 9309, 21663, 22991, 24099, 26643, 27927, 29639, 68973, 72297, 79929, 88917, 206919, 257549, 266751, 666739, 772647, 859531, 2000217, 2317941, 2460037, 2578593, 6000651, 7380111, 7735779, 22140333, 71341073, 214023219, 642069657]

約数ペア:

[(1, 642069657), (3, 214023219), (9, 71341073), (29, 22140333), (83, 7735779), (87, 7380111), (107, 6000651), (249, 2578593), (261, 2460037), (277, 2317941), (321, 2000217), (747, 859531), (831, 772647), (963, 666739), (2407, 266751), (2493, 257549), (3103, 206919), (7221, 88917), (8033, 79929), (8881, 72297), (9309, 68973), (21663, 29639), (22991, 27927), (24099, 26643)]