664380009

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{3539}}^1$

素因数の和:3974

約数の個数: 32

約数和(自身を含む): 1045008000

約数和(自身を除く): 380627991

約数列:

[1, 3, 9, 17, 27, 51, 153, 409, 459, 1227, 3539, 3681, 6953, 10617, 11043, 20859, 31851, 60163, 62577, 95553, 180489, 187731, 541467, 1447451, 1624401, 4342353, 13027059, 24606667, 39081177, 73820001, 221460003, 664380009]

約数ペア:

[(1, 664380009), (3, 221460003), (9, 73820001), (17, 39081177), (27, 24606667), (51, 13027059), (153, 4342353), (409, 1624401), (459, 1447451), (1227, 541467), (3539, 187731), (3681, 180489), (6953, 95553), (10617, 62577), (11043, 60163), (20859, 31851)]