28150521

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{78853}}^1$

素因数の和:78880

約数の個数: 16

約数和(自身を含む): 45419904

約数和(自身を除く): 17269383

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 78853, 236559, 551971, 1340501, 1655913, 4021503, 9383507, 28150521]

約数ペア:

[(1, 28150521), (3, 9383507), (7, 4021503), (17, 1655913), (21, 1340501), (51, 551971), (119, 236559), (357, 78853)]