31290831

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 54486432

約数和(自身を除く): 23195601

約数列:

[1, 3, 9, 11, 13, 33, 39, 41, 99, 117, 123, 143, 369, 429, 451, 533, 593, 1287, 1353, 1599, 1779, 4059, 4797, 5337, 5863, 6523, 7709, 17589, 19569, 23127, 24313, 52767, 58707, 69381, 72939, 84799, 218817, 254397, 267443, 316069, 763191, 802329, 948207, 2406987, 2844621, 3476759, 10430277, 31290831]

約数ペア:

[(1, 31290831), (3, 10430277), (9, 3476759), (11, 2844621), (13, 2406987), (33, 948207), (39, 802329), (41, 763191), (99, 316069), (117, 267443), (123, 254397), (143, 218817), (369, 84799), (429, 72939), (451, 69381), (533, 58707), (593, 52767), (1287, 24313), (1353, 23127), (1599, 19569), (1779, 17589), (4059, 7709), (4797, 6523), (5337, 5863)]