87212021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 102219264

約数和(自身を除く): 15007243

約数列:

[1, 13, 23, 31, 97, 299, 403, 713, 1261, 2231, 3007, 9269, 9409, 29003, 39091, 69161, 122317, 216407, 291679, 899093, 2813291, 3791827, 6708617, 87212021]

約数ペア:

[(1, 87212021), (13, 6708617), (23, 3791827), (31, 2813291), (97, 899093), (299, 291679), (403, 216407), (713, 122317), (1261, 69161), (2231, 39091), (3007, 29003), (9269, 9409)]