64615563

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{25733}}^1$

素因数の和:25776

約数の個数: 20

約数和(自身を含む): 99642048

約数和(自身を除く): 35026485

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 25733, 77199, 231597, 694791, 797723, 2084373, 2393169, 7179507, 21538521, 64615563]

約数ペア:

[(1, 64615563), (3, 21538521), (9, 7179507), (27, 2393169), (31, 2084373), (81, 797723), (93, 694791), (279, 231597), (837, 77199), (2511, 25733)]