20210141925

素因数分解:

$3^4\times 5^2\times {\mathrm{9980317}}^1$

素因数の和:9980339

約数の個数: 30

約数和(自身を含む): 37436172818

約数和(自身を除く): 17226030893

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9980317, 29940951, 49901585, 89822853, 149704755, 249507925, 269468559, 449114265, 748523775, 808405677, 1347342795, 2245571325, 4042028385, 6736713975, 20210141925]

約数ペア:

[(1, 20210141925), (3, 6736713975), (5, 4042028385), (9, 2245571325), (15, 1347342795), (25, 808405677), (27, 748523775), (45, 449114265), (75, 269468559), (81, 249507925), (135, 149704755), (225, 89822853), (405, 49901585), (675, 29940951), (2025, 9980317)]