31307157

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7417}}^1$

素因数の和:7497

約数の個数: 24

約数和(自身を含む): 52460096

約数和(自身を除く): 21152939

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 7417, 22251, 51919, 66753, 155757, 467271, 496939, 1490817, 3478573, 4472451, 10435719, 31307157]

約数ペア:

[(1, 31307157), (3, 10435719), (7, 4472451), (9, 3478573), (21, 1490817), (63, 496939), (67, 467271), (201, 155757), (469, 66753), (603, 51919), (1407, 22251), (4221, 7417)]