200420493

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38639}}^1$

素因数の和:38681

約数の個数: 32

約数和(自身を含む): 346214400

約数和(自身を除く): 145793907

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 38639, 115917, 270473, 502307, 734141, 811419, 1506921, 2202423, 3516149, 5138987, 9543833, 10548447, 15416961, 28631499, 66806831, 200420493]

約数ペア:

[(1, 200420493), (3, 66806831), (7, 28631499), (13, 15416961), (19, 10548447), (21, 9543833), (39, 5138987), (57, 3516149), (91, 2202423), (133, 1506921), (247, 811419), (273, 734141), (399, 502307), (741, 270473), (1729, 115917), (5187, 38639)]