290795427

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 483070224

約数和(自身を除く): 192274797

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 97, 117, 169, 219, 243, 291, 351, 507, 657, 873, 949, 1053, 1261, 1521, 1971, 2619, 2847, 3159, 3783, 4563, 5913, 7081, 7857, 8541, 11349, 12337, 13689, 16393, 17739, 21243, 23571, 25623, 34047, 37011, 41067, 49179, 63729, 76869, 92053, 102141, 111033, 147537, 191187, 230607, 276159, 306423, 333099, 442611, 573561, 828477, 999297, 1196689, 1327833, 1720683, 2485431, 2997891, 3590067, 3983499, 7456293, 10770201, 22368879, 32310603, 96931809, 290795427]

約数ペア:

[(1, 290795427), (3, 96931809), (9, 32310603), (13, 22368879), (27, 10770201), (39, 7456293), (73, 3983499), (81, 3590067), (97, 2997891), (117, 2485431), (169, 1720683), (219, 1327833), (243, 1196689), (291, 999297), (351, 828477), (507, 573561), (657, 442611), (873, 333099), (949, 306423), (1053, 276159), (1261, 230607), (1521, 191187), (1971, 147537), (2619, 111033), (2847, 102141), (3159, 92053), (3783, 76869), (4563, 63729), (5913, 49179), (7081, 41067), (7857, 37011), (8541, 34047), (11349, 25623), (12337, 23571), (13689, 21243), (16393, 17739)]