9871225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4339}}^1$

素因数の和:4369

約数の個数: 24

約数和(自身を含む): 15068480

約数和(自身を除く): 5197255

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 4339, 21695, 30373, 56407, 108475, 151865, 282035, 394849, 759325, 1410175, 1974245, 9871225]

約数ペア:

[(1, 9871225), (5, 1974245), (7, 1410175), (13, 759325), (25, 394849), (35, 282035), (65, 151865), (91, 108475), (175, 56407), (325, 30373), (455, 21695), (2275, 4339)]