28701519

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{124249}}^1$

素因数の和:124270

約数の個数: 16

約数和(自身を含む): 47712000

約数和(自身を除く): 19010481

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 124249, 372747, 869743, 1366739, 2609229, 4100217, 9567173, 28701519]

約数ペア:

[(1, 28701519), (3, 9567173), (7, 4100217), (11, 2609229), (21, 1366739), (33, 869743), (77, 372747), (231, 124249)]