13215415

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 16293888

約数和(自身を除く): 3078473

約数列:

[1, 5, 67, 103, 335, 383, 515, 1915, 6901, 25661, 34505, 39449, 128305, 197245, 2643083, 13215415]

約数ペア:

[(1, 13215415), (5, 2643083), (67, 197245), (103, 128305), (335, 39449), (383, 34505), (515, 25661), (1915, 6901)]