128830815

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{69827}}^1$

素因数の和:69879

約数の個数: 24

約数和(自身を含む): 228756528

約数和(自身を除く): 99925713

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 69827, 209481, 349135, 628443, 1047405, 2862907, 3142215, 8588721, 14314535, 25766163, 42943605, 128830815]

約数ペア:

[(1, 128830815), (3, 42943605), (5, 25766163), (9, 14314535), (15, 8588721), (41, 3142215), (45, 2862907), (123, 1047405), (205, 628443), (369, 349135), (615, 209481), (1845, 69827)]