9978135

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 16988160

約数和(自身を除く): 7010025

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 223, 285, 471, 669, 785, 1115, 2355, 2983, 3345, 4237, 8949, 12711, 14915, 21185, 35011, 44745, 63555, 105033, 175055, 525165, 665209, 1995627, 3326045, 9978135]

約数ペア:

[(1, 9978135), (3, 3326045), (5, 1995627), (15, 665209), (19, 525165), (57, 175055), (95, 105033), (157, 63555), (223, 44745), (285, 35011), (471, 21185), (669, 14915), (785, 12711), (1115, 8949), (2355, 4237), (2983, 3345)]