15899233

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 20749824

約数和(自身を除く): 4850591

約数列:

[1, 7, 17, 23, 37, 119, 157, 161, 259, 391, 629, 851, 1099, 2669, 2737, 3611, 4403, 5809, 5957, 14467, 18683, 25277, 40663, 61387, 98753, 101269, 133607, 429709, 691271, 935249, 2271319, 15899233]

約数ペア:

[(1, 15899233), (7, 2271319), (17, 935249), (23, 691271), (37, 429709), (119, 133607), (157, 101269), (161, 98753), (259, 61387), (391, 40663), (629, 25277), (851, 18683), (1099, 14467), (2669, 5957), (2737, 5809), (3611, 4403)]