394892115

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{15661}}^1$

素因数の和:15751

約数の個数: 24

約数和(自身を含む): 647655024

約数和(自身を除く): 252762909

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 1681, 5043, 8405, 15661, 25215, 46983, 78305, 234915, 642101, 1926303, 3210505, 9631515, 26326141, 78978423, 131630705, 394892115]

約数ペア:

[(1, 394892115), (3, 131630705), (5, 78978423), (15, 26326141), (41, 9631515), (123, 3210505), (205, 1926303), (615, 642101), (1681, 234915), (5043, 78305), (8405, 46983), (15661, 25215)]