15375009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20749}}^1$

素因数の和:20784

約数の個数: 16

約数和(自身を含む): 23240000

約数和(自身を除く): 7864991

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 20749, 62247, 269737, 394231, 809211, 1182693, 5125003, 15375009]

約数ペア:

[(1, 15375009), (3, 5125003), (13, 1182693), (19, 809211), (39, 394231), (57, 269737), (247, 62247), (741, 20749)]