27641257

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 35239680

約数和(自身を除く): 7598423

約数列:

[1, 7, 19, 37, 41, 133, 137, 259, 287, 703, 779, 959, 1517, 2603, 4921, 5069, 5453, 5617, 10619, 18221, 28823, 35483, 39319, 96311, 106723, 201761, 207829, 674177, 747061, 1454803, 3948751, 27641257]

約数ペア:

[(1, 27641257), (7, 3948751), (19, 1454803), (37, 747061), (41, 674177), (133, 207829), (137, 201761), (259, 106723), (287, 96311), (703, 39319), (779, 35483), (959, 28823), (1517, 18221), (2603, 10619), (4921, 5617), (5069, 5453)]