1028205

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 1812408

約数和(自身を除く): 784203

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 313, 365, 657, 939, 1095, 1565, 2817, 3285, 4695, 14085, 22849, 68547, 114245, 205641, 342735, 1028205]

約数ペア:

[(1, 1028205), (3, 342735), (5, 205641), (9, 114245), (15, 68547), (45, 22849), (73, 14085), (219, 4695), (313, 3285), (365, 2817), (657, 1565), (939, 1095)]