31217277

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2789}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 52496640

約数和(自身を除く): 21279363

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 2789, 3731, 8367, 11193, 19523, 36257, 58569, 108771, 114349, 253799, 343047, 761397, 800443, 1486537, 2401329, 4459611, 10405759, 31217277]

約数ペア:

[(1, 31217277), (3, 10405759), (7, 4459611), (13, 2401329), (21, 1486537), (39, 800443), (41, 761397), (91, 343047), (123, 253799), (273, 114349), (287, 108771), (533, 58569), (861, 36257), (1599, 19523), (2789, 11193), (3731, 8367)]