15200019

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 23362560

約数和(自身を除く): 8162541

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 863, 927, 1957, 2589, 5871, 7767, 16397, 17613, 49191, 88889, 147573, 266667, 800001, 1688891, 5066673, 15200019]

約数ペア:

[(1, 15200019), (3, 5066673), (9, 1688891), (19, 800001), (57, 266667), (103, 147573), (171, 88889), (309, 49191), (863, 17613), (927, 16397), (1957, 7767), (2589, 5871)]