1275431045

素因数分解:

$5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{21601}}^1$

素因数の和:21861

約数の個数: 24

約数和(自身を含む): 1787867928

約数和(自身を除く): 512436883

約数列:

[1, 5, 7, 35, 49, 241, 245, 1205, 1687, 8435, 11809, 21601, 59045, 108005, 151207, 756035, 1058449, 5205841, 5292245, 26029205, 36440887, 182204435, 255086209, 1275431045]

約数ペア:

[(1, 1275431045), (5, 255086209), (7, 182204435), (35, 36440887), (49, 26029205), (241, 5292245), (245, 5205841), (1205, 1058449), (1687, 756035), (8435, 151207), (11809, 108005), (21601, 59045)]