417291

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 657408

約数和(自身を除く): 240117

約数列:

[1, 3, 7, 21, 31, 93, 217, 641, 651, 1923, 4487, 13461, 19871, 59613, 139097, 417291]

約数ペア:

[(1, 417291), (3, 139097), (7, 59613), (21, 19871), (31, 13461), (93, 4487), (217, 1923), (641, 651)]