74781987

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{2411}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 116586432

約数和(自身を除く): 41804445

約数列:

[1, 3, 7, 21, 49, 147, 211, 633, 1477, 2411, 4431, 7233, 10339, 16877, 31017, 50631, 118139, 354417, 508721, 1526163, 3561047, 10683141, 24927329, 74781987]

約数ペア:

[(1, 74781987), (3, 24927329), (7, 10683141), (21, 3561047), (49, 1526163), (147, 508721), (211, 354417), (633, 118139), (1477, 50631), (2411, 31017), (4431, 16877), (7233, 10339)]