428156715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{27367}}^1$

素因数の和:27531

約数の個数: 32

約数和(自身を含む): 788198400

約数和(自身を除く): 360041685

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 2235, 3129, 5215, 15645, 27367, 82101, 136835, 191569, 410505, 574707, 957845, 2873535, 4077683, 12233049, 20388415, 28543781, 61165245, 85631343, 142718905, 428156715]

約数ペア:

[(1, 428156715), (3, 142718905), (5, 85631343), (7, 61165245), (15, 28543781), (21, 20388415), (35, 12233049), (105, 4077683), (149, 2873535), (447, 957845), (745, 574707), (1043, 410505), (2235, 191569), (3129, 136835), (5215, 82101), (15645, 27367)]