27821661

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3571}}^1$

素因数の和:3641

約数の個数: 24

約数和(自身を含む): 43978464

約数和(自身を除く): 16156803

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 3571, 7791, 10713, 24997, 74991, 174979, 189263, 524937, 567789, 1324841, 3974523, 9273887, 27821661]

約数ペア:

[(1, 27821661), (3, 9273887), (7, 3974523), (21, 1324841), (49, 567789), (53, 524937), (147, 189263), (159, 174979), (371, 74991), (1113, 24997), (2597, 10713), (3571, 7791)]