157799421

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{541}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 255245144

約数和(自身を除く): 97445723

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 277, 351, 541, 831, 1053, 1623, 2493, 3601, 4869, 7033, 7479, 10803, 14607, 21099, 22437, 32409, 43821, 63297, 97227, 149857, 189891, 291681, 449571, 569673, 1348713, 1948141, 4046139, 5844423, 12138417, 17533269, 52599807, 157799421]

約数ペア:

[(1, 157799421), (3, 52599807), (9, 17533269), (13, 12138417), (27, 5844423), (39, 4046139), (81, 1948141), (117, 1348713), (277, 569673), (351, 449571), (541, 291681), (831, 189891), (1053, 149857), (1623, 97227), (2493, 63297), (3601, 43821), (4869, 32409), (7033, 22437), (7479, 21099), (10803, 14607)]