28126515

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43607}}^1$

素因数の和:43658

約数の個数: 16

約数和(自身を含む): 46050048

約数和(自身を除く): 17923533

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43607, 130821, 218035, 654105, 1875101, 5625303, 9375505, 28126515]

約数ペア:

[(1, 28126515), (3, 9375505), (5, 5625303), (15, 1875101), (43, 654105), (129, 218035), (215, 130821), (645, 43607)]