258889605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{13687}}^1$

素因数の和:13805

約数の個数: 32

約数和(自身を含む): 450718464

約数和(自身を除く): 191828859

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1261, 1455, 3783, 6305, 13687, 18915, 41061, 68435, 177931, 205305, 533793, 889655, 1327639, 2668965, 3982917, 6638195, 17259307, 19914585, 51777921, 86296535, 258889605]

約数ペア:

[(1, 258889605), (3, 86296535), (5, 51777921), (13, 19914585), (15, 17259307), (39, 6638195), (65, 3982917), (97, 2668965), (195, 1327639), (291, 889655), (485, 533793), (1261, 205305), (1455, 177931), (3783, 68435), (6305, 41061), (13687, 18915)]