653913

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:57

約数の個数: 32

約数和(自身を含む): 1102080

約数和(自身を除く): 448167

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 243, 299, 351, 621, 729, 897, 1053, 1863, 2187, 2691, 3159, 5589, 8073, 9477, 16767, 24219, 28431, 50301, 72657, 217971, 653913]

約数ペア:

[(1, 653913), (3, 217971), (9, 72657), (13, 50301), (23, 28431), (27, 24219), (39, 16767), (69, 9477), (81, 8073), (117, 5589), (207, 3159), (243, 2691), (299, 2187), (351, 1863), (621, 1053), (729, 897)]