664486.00000000

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{5281}}^1$

素因数の和:5309

約数の個数: 24

約数和(自身を含む): 26917072

約数和(自身を除く): 10234393

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 5281, 15843, 47529, 68653, 142587, 205959, 427761, 617877, 1283283, 1853631, 5560893, 16682679]

約数ペア:

[(1, 16682679), (3, 5560893), (9, 1853631), (13, 1283283), (27, 617877), (39, 427761), (81, 205959), (117, 142587), (243, 68653), (351, 47529), (1053, 15843), (3159, 5281)]