728718627

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{43759}}^1$

素因数の和:43843

約数の個数: 32

約数和(自身を含む): 1215477760

約数和(自身を除く): 486759133

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1281, 2379, 5551, 16653, 43759, 131277, 306313, 568867, 918939, 1706601, 2669299, 3982069, 8007897, 11946207, 18685093, 34700887, 56055279, 104102661, 242906209, 728718627]

約数ペア:

[(1, 728718627), (3, 242906209), (7, 104102661), (13, 56055279), (21, 34700887), (39, 18685093), (61, 11946207), (91, 8007897), (183, 3982069), (273, 2669299), (427, 1706601), (793, 918939), (1281, 568867), (2379, 306313), (5551, 131277), (16653, 43759)]