15139455

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 10020225

約数列:

[1, 3, 5, 15, 41, 103, 123, 205, 239, 309, 515, 615, 717, 1195, 1545, 3585, 4223, 9799, 12669, 21115, 24617, 29397, 48995, 63345, 73851, 123085, 146985, 369255, 1009297, 3027891, 5046485, 15139455]

約数ペア:

[(1, 15139455), (3, 5046485), (5, 3027891), (15, 1009297), (41, 369255), (103, 146985), (123, 123085), (205, 73851), (239, 63345), (309, 48995), (515, 29397), (615, 24617), (717, 21115), (1195, 12669), (1545, 9799), (3585, 4223)]