78421245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{746869}}^1$

素因数の和:746884

約数の個数: 16

約数和(自身を含む): 143399040

約数和(自身を除く): 64977795

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 746869, 2240607, 3734345, 5228083, 11203035, 15684249, 26140415, 78421245]

約数ペア:

[(1, 78421245), (3, 26140415), (5, 15684249), (7, 11203035), (15, 5228083), (21, 3734345), (35, 2240607), (105, 746869)]