15421475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 20088000

約数和(自身を除く): 4666525

約数列:

[1, 5, 25, 29, 89, 145, 239, 445, 725, 1195, 2225, 2581, 5975, 6931, 12905, 21271, 34655, 64525, 106355, 173275, 531775, 616859, 3084295, 15421475]

約数ペア:

[(1, 15421475), (5, 3084295), (25, 616859), (29, 531775), (89, 173275), (145, 106355), (239, 64525), (445, 34655), (725, 21271), (1195, 12905), (2225, 6931), (2581, 5975)]