251872929

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{121151}}^1$

素因数の和:121178

約数の個数: 32

約数和(自身を含む): 465223680

約数和(自身を除く): 213350751

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 121151, 363453, 848057, 1090359, 1332661, 2544171, 3271077, 3997983, 7632513, 9328627, 11993949, 22897539, 27985881, 35981847, 83957643, 251872929]

約数ペア:

[(1, 251872929), (3, 83957643), (7, 35981847), (9, 27985881), (11, 22897539), (21, 11993949), (27, 9328627), (33, 7632513), (63, 3997983), (77, 3271077), (99, 2544171), (189, 1332661), (231, 1090359), (297, 848057), (693, 363453), (2079, 121151)]