209468961

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{4987}}^1$

素因数の和:5365

約数の個数: 24

約数和(自身を含む): 326813760

約数和(自身を除く): 117344799

約数列:

[1, 3, 9, 13, 39, 117, 359, 1077, 3231, 4667, 4987, 14001, 14961, 42003, 44883, 64831, 194493, 583479, 1790333, 5370999, 16112997, 23274329, 69822987, 209468961]

約数ペア:

[(1, 209468961), (3, 69822987), (9, 23274329), (13, 16112997), (39, 5370999), (117, 1790333), (359, 583479), (1077, 194493), (3231, 64831), (4667, 44883), (4987, 42003), (14001, 14961)]