240903

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 24

約数和(自身を含む): 393120

約数和(自身を除く): 152217

約数列:

[1, 3, 9, 13, 29, 39, 71, 87, 117, 213, 261, 377, 639, 923, 1131, 2059, 2769, 3393, 6177, 8307, 18531, 26767, 80301, 240903]

約数ペア:

[(1, 240903), (3, 80301), (9, 26767), (13, 18531), (29, 8307), (39, 6177), (71, 3393), (87, 2769), (117, 2059), (213, 1131), (261, 923), (377, 639)]