1247589

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 2298240

約数和(自身を除く): 1050651

約数列:

[1, 3, 7, 9, 21, 23, 27, 41, 49, 63, 69, 123, 147, 161, 189, 207, 287, 369, 441, 483, 621, 861, 943, 1107, 1127, 1323, 1449, 2009, 2583, 2829, 3381, 4347, 6027, 6601, 7749, 8487, 10143, 18081, 19803, 25461, 30429, 46207, 54243, 59409, 138621, 178227, 415863, 1247589]

約数ペア:

[(1, 1247589), (3, 415863), (7, 178227), (9, 138621), (21, 59409), (23, 54243), (27, 46207), (41, 30429), (49, 25461), (63, 19803), (69, 18081), (123, 10143), (147, 8487), (161, 7749), (189, 6601), (207, 6027), (287, 4347), (369, 3381), (441, 2829), (483, 2583), (621, 2009), (861, 1449), (943, 1323), (1107, 1127)]