1311705

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 2303808

約数和(自身を除く): 992103

約数列:

[1, 3, 5, 9, 15, 45, 103, 283, 309, 515, 849, 927, 1415, 1545, 2547, 4245, 4635, 12735, 29149, 87447, 145745, 262341, 437235, 1311705]

約数ペア:

[(1, 1311705), (3, 437235), (5, 262341), (9, 145745), (15, 87447), (45, 29149), (103, 12735), (283, 4635), (309, 4245), (515, 2547), (849, 1545), (927, 1415)]