64905555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30259}}^1$

素因数の和:30291

約数の個数: 32

約数和(自身を含む): 122008320

約数和(自身を除く): 57102765

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 30259, 90777, 151295, 332849, 393367, 453885, 998547, 1180101, 1664245, 1966835, 4327037, 4992735, 5900505, 12981111, 21635185, 64905555]

約数ペア:

[(1, 64905555), (3, 21635185), (5, 12981111), (11, 5900505), (13, 4992735), (15, 4327037), (33, 1966835), (39, 1664245), (55, 1180101), (65, 998547), (143, 453885), (165, 393367), (195, 332849), (429, 151295), (715, 90777), (2145, 30259)]