65625015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257353}}^1$

素因数の和:257378

約数の個数: 16

約数和(自身を含む): 111176928

約数和(自身を除く): 45551913

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257353, 772059, 1286765, 3860295, 4375001, 13125003, 21875005, 65625015]

約数ペア:

[(1, 65625015), (3, 21875005), (5, 13125003), (15, 4375001), (17, 3860295), (51, 1286765), (85, 772059), (255, 257353)]