217408569

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{773}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 338826240

約数和(自身を除く): 121417671

約数列:

[1, 3, 7, 21, 59, 177, 227, 413, 681, 773, 1239, 1589, 2319, 4767, 5411, 13393, 16233, 40179, 45607, 93751, 136821, 175471, 281253, 319249, 526413, 957747, 1228297, 3684891, 10352789, 31058367, 72469523, 217408569]

約数ペア:

[(1, 217408569), (3, 72469523), (7, 31058367), (21, 10352789), (59, 3684891), (177, 1228297), (227, 957747), (413, 526413), (681, 319249), (773, 281253), (1239, 175471), (1589, 136821), (2319, 93751), (4767, 45607), (5411, 40179), (13393, 16233)]