128049705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{406507}}^1$

素因数の和:406525

約数の個数: 24

約数和(自身を含む): 253660992

約数和(自身を除く): 125611287

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 406507, 1219521, 2032535, 2845549, 3658563, 6097605, 8536647, 14227745, 18292815, 25609941, 42683235, 128049705]

約数ペア:

[(1, 128049705), (3, 42683235), (5, 25609941), (7, 18292815), (9, 14227745), (15, 8536647), (21, 6097605), (35, 3658563), (45, 2845549), (63, 2032535), (105, 1219521), (315, 406507)]