201901791

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23857}}^1$

素因数の和:23911

約数の個数: 32

約数和(自身を含む): 342028288

約数和(自身を除く): 140126497

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 23857, 71571, 166999, 310141, 500997, 739567, 930423, 2170987, 2218701, 5176969, 6512961, 9614371, 15530907, 28843113, 67300597, 201901791]

約数ペア:

[(1, 201901791), (3, 67300597), (7, 28843113), (13, 15530907), (21, 9614371), (31, 6512961), (39, 5176969), (91, 2218701), (93, 2170987), (217, 930423), (273, 739567), (403, 500997), (651, 310141), (1209, 166999), (2821, 71571), (8463, 23857)]