20728542897

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{1933}}^1\times {\mathrm{3229}}^1$

素因数の和:5215

約数の個数: 40

約数和(自身を含む): 31746339240

約数和(自身を除く): 11017796343

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 1933, 3229, 3321, 5799, 9687, 17397, 29061, 52191, 79253, 87183, 132389, 156573, 237759, 261549, 397167, 713277, 1191501, 2139831, 3574503, 6241657, 6419493, 10723509, 18724971, 56174913, 168524739, 255907937, 505574217, 767723811, 2303171433, 6909514299, 20728542897]

約数ペア:

[(1, 20728542897), (3, 6909514299), (9, 2303171433), (27, 767723811), (41, 505574217), (81, 255907937), (123, 168524739), (369, 56174913), (1107, 18724971), (1933, 10723509), (3229, 6419493), (3321, 6241657), (5799, 3574503), (9687, 2139831), (17397, 1191501), (29061, 713277), (52191, 397167), (79253, 261549), (87183, 237759), (132389, 156573)]