21272893245

素因数分解:

$3^3\times 5^1\times {\mathrm{157576987}}^1$

素因数の和:157577001

約数の個数: 16

約数和(自身を含む): 37818477120

約数和(自身を除く): 16545583875

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157576987, 472730961, 787884935, 1418192883, 2363654805, 4254578649, 7090964415, 21272893245]

約数ペア:

[(1, 21272893245), (3, 7090964415), (5, 4254578649), (9, 2363654805), (15, 1418192883), (27, 787884935), (45, 472730961), (135, 157576987)]