13821535

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 20990592

約数和(自身を除く): 7169057

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 821, 1295, 2405, 3367, 4105, 5747, 10673, 16835, 28735, 30377, 53365, 74711, 151885, 212639, 373555, 394901, 1063195, 1974505, 2764307, 13821535]

約数ペア:

[(1, 13821535), (5, 2764307), (7, 1974505), (13, 1063195), (35, 394901), (37, 373555), (65, 212639), (91, 151885), (185, 74711), (259, 53365), (455, 30377), (481, 28735), (821, 16835), (1295, 10673), (2405, 5747), (3367, 4105)]