720883359

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1\times {\mathrm{409}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 1209099840

約数和(自身を除く): 488216481

約数列:

[1, 3, 7, 9, 21, 63, 101, 277, 303, 409, 707, 831, 909, 1227, 1939, 2121, 2493, 2863, 3681, 5817, 6363, 8589, 17451, 25767, 27977, 41309, 83931, 113293, 123927, 195839, 251793, 289163, 339879, 371781, 587517, 793051, 867489, 1019637, 1762551, 2379153, 2602467, 7137459, 11442593, 34327779, 80098151, 102983337, 240294453, 720883359]

約数ペア:

[(1, 720883359), (3, 240294453), (7, 102983337), (9, 80098151), (21, 34327779), (63, 11442593), (101, 7137459), (277, 2602467), (303, 2379153), (409, 1762551), (707, 1019637), (831, 867489), (909, 793051), (1227, 587517), (1939, 371781), (2121, 339879), (2493, 289163), (2863, 251793), (3681, 195839), (5817, 123927), (6363, 113293), (8589, 83931), (17451, 41309), (25767, 27977)]