203820009

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{15767}}^1$

素因数の和:15940

約数の個数: 16

約数和(自身を含む): 282562560

約数和(自身を除く): 78742551

約数列:

[1, 3, 31, 93, 139, 417, 4309, 12927, 15767, 47301, 488777, 1466331, 2191613, 6574839, 67940003, 203820009]

約数ペア:

[(1, 203820009), (3, 67940003), (31, 6574839), (93, 2191613), (139, 1466331), (417, 488777), (4309, 47301), (12927, 15767)]