15678931005

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{76091}}^1$

素因数の和:76362

約数の個数: 48

約数和(自身を含む): 28726251840

約数和(自身を除く): 13047320835

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 241, 285, 723, 855, 1205, 2169, 3615, 4579, 10845, 13737, 22895, 41211, 68685, 76091, 206055, 228273, 380455, 684819, 1141365, 1445729, 3424095, 4337187, 7228645, 13011561, 18337931, 21685935, 55013793, 65057805, 91689655, 165041379, 275068965, 348420689, 825206895, 1045262067, 1742103445, 3135786201, 5226310335, 15678931005]

約数ペア:

[(1, 15678931005), (3, 5226310335), (5, 3135786201), (9, 1742103445), (15, 1045262067), (19, 825206895), (45, 348420689), (57, 275068965), (95, 165041379), (171, 91689655), (241, 65057805), (285, 55013793), (723, 21685935), (855, 18337931), (1205, 13011561), (2169, 7228645), (3615, 4337187), (4579, 3424095), (10845, 1445729), (13737, 1141365), (22895, 684819), (41211, 380455), (68685, 228273), (76091, 206055)]