128430645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1223149}}^1$

素因数の和:1223164

約数の個数: 16

約数和(自身を含む): 234844800

約数和(自身を除く): 106414155

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1223149, 3669447, 6115745, 8562043, 18347235, 25686129, 42810215, 128430645]

約数ペア:

[(1, 128430645), (3, 42810215), (5, 25686129), (7, 18347235), (15, 8562043), (21, 6115745), (35, 3669447), (105, 1223149)]