7281975

素因数分解:

$3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 12138112

約数和(自身を除く): 4856137

約数列:

[1, 3, 5, 15, 25, 75, 151, 453, 643, 755, 1929, 2265, 3215, 3775, 9645, 11325, 16075, 48225, 97093, 291279, 485465, 1456395, 2427325, 7281975]

約数ペア:

[(1, 7281975), (3, 2427325), (5, 1456395), (15, 485465), (25, 291279), (75, 97093), (151, 48225), (453, 16075), (643, 11325), (755, 9645), (1929, 3775), (2265, 3215)]