1071990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 2862288

約数和(自身を除く): 1790298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 277, 387, 430, 554, 645, 774, 831, 1290, 1385, 1662, 1935, 2493, 2770, 3870, 4155, 4986, 8310, 11911, 12465, 23822, 24930, 35733, 59555, 71466, 107199, 119110, 178665, 214398, 357330, 535995, 1071990]

約数ペア:

[(1, 1071990), (2, 535995), (3, 357330), (5, 214398), (6, 178665), (9, 119110), (10, 107199), (15, 71466), (18, 59555), (30, 35733), (43, 24930), (45, 23822), (86, 12465), (90, 11911), (129, 8310), (215, 4986), (258, 4155), (277, 3870), (387, 2770), (430, 2493), (554, 1935), (645, 1662), (774, 1385), (831, 1290)]