131317542

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{81971}}^1$

素因数の和:82068

約数の個数: 24

約数和(自身を含む): 287721720

約数和(自身を除く): 156404178

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 81971, 163942, 245913, 491826, 737739, 1475478, 7295419, 14590838, 21886257, 43772514, 65658771, 131317542]

約数ペア:

[(1, 131317542), (2, 65658771), (3, 43772514), (6, 21886257), (9, 14590838), (18, 7295419), (89, 1475478), (178, 737739), (267, 491826), (534, 245913), (801, 163942), (1602, 81971)]