1263275

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 24

約数和(自身を含む): 1770720

約数和(自身を除く): 507445

約数列:

[1, 5, 13, 23, 25, 65, 115, 169, 299, 325, 575, 845, 1495, 2197, 3887, 4225, 7475, 10985, 19435, 50531, 54925, 97175, 252655, 1263275]

約数ペア:

[(1, 1263275), (5, 252655), (13, 97175), (23, 54925), (25, 50531), (65, 19435), (115, 10985), (169, 7475), (299, 4225), (325, 3887), (575, 2197), (845, 1495)]