681051

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 1091664

約数和(自身を除く): 410613

約数列:

[1, 3, 7, 21, 41, 49, 113, 123, 147, 287, 339, 791, 861, 2009, 2373, 4633, 5537, 6027, 13899, 16611, 32431, 97293, 227017, 681051]

約数ペア:

[(1, 681051), (3, 227017), (7, 97293), (21, 32431), (41, 16611), (49, 13899), (113, 6027), (123, 5537), (147, 4633), (287, 2373), (339, 2009), (791, 861)]