71900313

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^2\times {\mathrm{281}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 102805920

約数和(自身を除く): 30905607

約数列:

[1, 3, 19, 57, 67, 201, 281, 843, 1273, 3819, 4489, 5339, 13467, 16017, 18827, 56481, 85291, 255873, 357713, 1073139, 1261409, 3784227, 23966771, 71900313]

約数ペア:

[(1, 71900313), (3, 23966771), (19, 3784227), (57, 1261409), (67, 1073139), (201, 357713), (281, 255873), (843, 85291), (1273, 56481), (3819, 18827), (4489, 16017), (5339, 13467)]