8247915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 16091712

約数和(自身を除く): 7843797

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 613, 897, 1035, 1495, 1839, 2691, 3065, 4485, 5517, 7969, 9195, 13455, 14099, 23907, 27585, 39845, 42297, 70495, 71721, 119535, 126891, 183287, 211485, 358605, 549861, 634455, 916435, 1649583, 2749305, 8247915]

約数ペア:

[(1, 8247915), (3, 2749305), (5, 1649583), (9, 916435), (13, 634455), (15, 549861), (23, 358605), (39, 211485), (45, 183287), (65, 126891), (69, 119535), (115, 71721), (117, 70495), (195, 42297), (207, 39845), (299, 27585), (345, 23907), (585, 14099), (613, 13455), (897, 9195), (1035, 7969), (1495, 5517), (1839, 4485), (2691, 3065)]