280806339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{14447}}^1$

素因数の和:14511

約数の個数: 32

約数和(自身を含む): 443842560

約数和(自身を除く): 163036221

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 1023, 1767, 6479, 14447, 19437, 43341, 158917, 274493, 447857, 476751, 823479, 1343571, 3019423, 4926427, 8509283, 9058269, 14779281, 25527849, 93602113, 280806339]

約数ペア:

[(1, 280806339), (3, 93602113), (11, 25527849), (19, 14779281), (31, 9058269), (33, 8509283), (57, 4926427), (93, 3019423), (209, 1343571), (341, 823479), (589, 476751), (627, 447857), (1023, 274493), (1767, 158917), (6479, 43341), (14447, 19437)]