212318721

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{3943}}^1$

素因数の和:4173

約数の個数: 24

約数和(自身を含む): 318296576

約数和(自身を除く): 105977855

約数列:

[1, 3, 9, 31, 93, 193, 279, 579, 1737, 3943, 5983, 11829, 17949, 35487, 53847, 122233, 366699, 760999, 1100097, 2282997, 6848991, 23590969, 70772907, 212318721]

約数ペア:

[(1, 212318721), (3, 70772907), (9, 23590969), (31, 6848991), (93, 2282997), (193, 1100097), (279, 760999), (579, 366699), (1737, 122233), (3943, 53847), (5983, 35487), (11829, 17949)]