201989619

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 333645312

約数和(自身を除く): 131655693

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 243, 351, 387, 559, 1053, 1161, 1487, 1677, 3159, 3483, 4461, 5031, 10449, 13383, 15093, 19331, 40149, 45279, 57993, 63941, 120447, 135837, 173979, 191823, 361341, 521937, 575469, 831233, 1565811, 1726407, 2493699, 4697433, 5179221, 7481097, 15537663, 22443291, 67329873, 201989619]

約数ペア:

[(1, 201989619), (3, 67329873), (9, 22443291), (13, 15537663), (27, 7481097), (39, 5179221), (43, 4697433), (81, 2493699), (117, 1726407), (129, 1565811), (243, 831233), (351, 575469), (387, 521937), (559, 361341), (1053, 191823), (1161, 173979), (1487, 135837), (1677, 120447), (3159, 63941), (3483, 57993), (4461, 45279), (5031, 40149), (10449, 19331), (13383, 15093)]