1209325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:145

約数の個数: 18

約数和(自身を含む): 1641822

約数和(自身を除く): 432497

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1525, 3721, 3965, 18605, 19825, 48373, 93025, 241865, 1209325]

約数ペア:

[(1, 1209325), (5, 241865), (13, 93025), (25, 48373), (61, 19825), (65, 18605), (305, 3965), (325, 3721), (793, 1525)]