72378891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8713}}^1$

素因数の和:8803

約数の個数: 24

約数和(自身を含む): 114188256

約数和(自身を除く): 41809365

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 8713, 26139, 78417, 113269, 339807, 618623, 1019421, 1855869, 5567607, 8042099, 24126297, 72378891]

約数ペア:

[(1, 72378891), (3, 24126297), (9, 8042099), (13, 5567607), (39, 1855869), (71, 1019421), (117, 618623), (213, 339807), (639, 113269), (923, 78417), (2769, 26139), (8307, 8713)]