212501853

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20129}}^1$

素因数の和:20178

約数の個数: 32

約数和(自身を含む): 347846400

約数和(自身を除く): 135344547

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 3519, 10557, 20129, 60387, 181161, 342193, 462967, 543483, 1026579, 1388901, 3079737, 4166703, 7870439, 9239211, 12500109, 23611317, 70833951, 212501853]

約数ペア:

[(1, 212501853), (3, 70833951), (9, 23611317), (17, 12500109), (23, 9239211), (27, 7870439), (51, 4166703), (69, 3079737), (153, 1388901), (207, 1026579), (391, 543483), (459, 462967), (621, 342193), (1173, 181161), (3519, 60387), (10557, 20129)]