161565807

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1237}}^1$

素因数の和:1467

約数の個数: 32

約数和(自身を含む): 247084992

約数和(自身を除く): 85519185

約数列:

[1, 3, 13, 17, 39, 51, 197, 221, 591, 663, 1237, 2561, 3349, 3711, 7683, 10047, 16081, 21029, 43537, 48243, 63087, 130611, 243689, 273377, 731067, 820131, 3167957, 4142713, 9503871, 12428139, 53855269, 161565807]

約数ペア:

[(1, 161565807), (3, 53855269), (13, 12428139), (17, 9503871), (39, 4142713), (51, 3167957), (197, 820131), (221, 731067), (591, 273377), (663, 243689), (1237, 130611), (2561, 63087), (3349, 48243), (3711, 43537), (7683, 21029), (10047, 16081)]