208487955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20173}}^1$

素因数の和:20247

約数の個数: 32

約数和(自身を含む): 366037056

約数和(自身を除く): 157549101

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 2067, 3445, 10335, 20173, 60519, 100865, 262249, 302595, 786747, 1069169, 1311245, 3207507, 3933735, 5345845, 13899197, 16037535, 41697591, 69495985, 208487955]

約数ペア:

[(1, 208487955), (3, 69495985), (5, 41697591), (13, 16037535), (15, 13899197), (39, 5345845), (53, 3933735), (65, 3207507), (159, 1311245), (195, 1069169), (265, 786747), (689, 302595), (795, 262249), (2067, 100865), (3445, 60519), (10335, 20173)]