121279905

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{86939}}^1$

素因数の和:86981

約数の個数: 24

約数和(自身を含む): 217002240

約数和(自身を除く): 95722335

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 86939, 260817, 434695, 782451, 1304085, 2695109, 3912255, 8085327, 13475545, 24255981, 40426635, 121279905]

約数ペア:

[(1, 121279905), (3, 40426635), (5, 24255981), (9, 13475545), (15, 8085327), (31, 3912255), (45, 2695109), (93, 1304085), (155, 782451), (279, 434695), (465, 260817), (1395, 86939)]