15515721

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{101}}^2$

素因数の和:234

約数の個数: 27

約数和(自身を含む): 24510837

約数和(自身を除く): 8995116

約数列:

[1, 3, 9, 13, 39, 101, 117, 169, 303, 507, 909, 1313, 1521, 3939, 10201, 11817, 17069, 30603, 51207, 91809, 132613, 153621, 397839, 1193517, 1723969, 5171907, 15515721]

約数ペア:

[(1, 15515721), (3, 5171907), (9, 1723969), (13, 1193517), (39, 397839), (101, 153621), (117, 132613), (169, 91809), (303, 51207), (507, 30603), (909, 17069), (1313, 11817), (1521, 10201)]