400990509

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1319}}^1\times {\mathrm{1987}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 614053440

約数和(自身を除く): 213062931

約数列:

[1, 3, 9, 17, 51, 153, 1319, 1987, 3957, 5961, 11871, 17883, 22423, 33779, 67269, 101337, 201807, 304011, 2620853, 7862559, 23587677, 44554501, 133663503, 400990509]

約数ペア:

[(1, 400990509), (3, 133663503), (9, 44554501), (17, 23587677), (51, 7862559), (153, 2620853), (1319, 304011), (1987, 201807), (3957, 101337), (5961, 67269), (11871, 33779), (17883, 22423)]