2826990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 7446816

約数和(自身を除く): 4619826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 311, 505, 606, 622, 909, 933, 1010, 1515, 1555, 1818, 1866, 2799, 3030, 3110, 4545, 4665, 5598, 9090, 9330, 13995, 27990, 31411, 62822, 94233, 157055, 188466, 282699, 314110, 471165, 565398, 942330, 1413495, 2826990]

約数ペア:

[(1, 2826990), (2, 1413495), (3, 942330), (5, 565398), (6, 471165), (9, 314110), (10, 282699), (15, 188466), (18, 157055), (30, 94233), (45, 62822), (90, 31411), (101, 27990), (202, 13995), (303, 9330), (311, 9090), (505, 5598), (606, 4665), (622, 4545), (909, 3110), (933, 3030), (1010, 2799), (1515, 1866), (1555, 1818)]