1621263

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 2585520

約数和(自身を除く): 964257

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 269, 287, 807, 861, 1883, 2009, 5649, 6027, 11029, 13181, 33087, 39543, 77203, 231609, 540421, 1621263]

約数ペア:

[(1, 1621263), (3, 540421), (7, 231609), (21, 77203), (41, 39543), (49, 33087), (123, 13181), (147, 11029), (269, 6027), (287, 5649), (807, 2009), (861, 1883)]