67686045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{644629}}^1$

素因数の和:644644

約数の個数: 16

約数和(自身を含む): 123768960

約数和(自身を除く): 56082915

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 644629, 1933887, 3223145, 4512403, 9669435, 13537209, 22562015, 67686045]

約数ペア:

[(1, 67686045), (3, 22562015), (5, 13537209), (7, 9669435), (15, 4512403), (21, 3223145), (35, 1933887), (105, 644629)]