3215225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{761}}^1$

素因数の和:797

約数の個数: 18

約数和(自身を含む): 4322826

約数和(自身を除く): 1107601

約数列:

[1, 5, 13, 25, 65, 169, 325, 761, 845, 3805, 4225, 9893, 19025, 49465, 128609, 247325, 643045, 3215225]

約数ペア:

[(1, 3215225), (5, 643045), (13, 247325), (25, 128609), (65, 49465), (169, 19025), (325, 9893), (761, 4225), (845, 3805)]