442221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 32

約数和(自身を含む): 725760

約数和(自身を除く): 283539

約数列:

[1, 3, 13, 17, 23, 29, 39, 51, 69, 87, 221, 299, 377, 391, 493, 663, 667, 897, 1131, 1173, 1479, 2001, 5083, 6409, 8671, 11339, 15249, 19227, 26013, 34017, 147407, 442221]

約数ペア:

[(1, 442221), (3, 147407), (13, 34017), (17, 26013), (23, 19227), (29, 15249), (39, 11339), (51, 8671), (69, 6409), (87, 5083), (221, 2001), (299, 1479), (377, 1173), (391, 1131), (493, 897), (663, 667)]