13915775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 18480960

約数和(自身を除く): 4565185

約数列:

[1, 5, 17, 25, 85, 137, 239, 425, 685, 1195, 2329, 3425, 4063, 5975, 11645, 20315, 32743, 58225, 101575, 163715, 556631, 818575, 2783155, 13915775]

約数ペア:

[(1, 13915775), (5, 2783155), (17, 818575), (25, 556631), (85, 163715), (137, 101575), (239, 58225), (425, 32743), (685, 20315), (1195, 11645), (2329, 5975), (3425, 4063)]