639498045

素因数分解:

$3^1\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{26431}}^1$

素因数の和:28052

約数の個数: 16

約数和(自身を含む): 1023869952

約数和(自身を除く): 384371907

約数列:

[1, 3, 5, 15, 1613, 4839, 8065, 24195, 26431, 79293, 132155, 396465, 42633203, 127899609, 213166015, 639498045]

約数ペア:

[(1, 639498045), (3, 213166015), (5, 127899609), (15, 42633203), (1613, 396465), (4839, 132155), (8065, 79293), (24195, 26431)]