7280975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 9968112

約数和(自身を除く): 2687137

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 521, 559, 1075, 2605, 2795, 6773, 13025, 13975, 22403, 33865, 112015, 169325, 291239, 560075, 1456195, 7280975]

約数ペア:

[(1, 7280975), (5, 1456195), (13, 560075), (25, 291239), (43, 169325), (65, 112015), (215, 33865), (325, 22403), (521, 13975), (559, 13025), (1075, 6773), (2605, 2795)]