28738269

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1439}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 47623680

約数和(自身を除く): 18885411

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 1439, 2219, 2853, 4317, 6657, 10073, 12951, 19971, 30219, 90657, 456163, 1368489, 3193141, 4105467, 9579423, 28738269]

約数ペア:

[(1, 28738269), (3, 9579423), (7, 4105467), (9, 3193141), (21, 1368489), (63, 456163), (317, 90657), (951, 30219), (1439, 19971), (2219, 12951), (2853, 10073), (4317, 6657)]