243425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:137

約数の個数: 24

約数和(自身を含む): 374976

約数和(自身を除く): 131551

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 107, 175, 325, 455, 535, 749, 1391, 2275, 2675, 3745, 6955, 9737, 18725, 34775, 48685, 243425]

約数ペア:

[(1, 243425), (5, 48685), (7, 34775), (13, 18725), (25, 9737), (35, 6955), (65, 3745), (91, 2675), (107, 2275), (175, 1391), (325, 749), (455, 535)]