1277865

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 2251080

約数和(自身を除く): 973215

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 389, 657, 1095, 1167, 1945, 3285, 3501, 5835, 17505, 28397, 85191, 141985, 255573, 425955, 1277865]

約数ペア:

[(1, 1277865), (3, 425955), (5, 255573), (9, 141985), (15, 85191), (45, 28397), (73, 17505), (219, 5835), (365, 3501), (389, 3285), (657, 1945), (1095, 1167)]