28646925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13171}}^1$

素因数の和:13213

約数の個数: 24

約数和(自身を含む): 48999840

約数和(自身を除く): 20352915

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 13171, 39513, 65855, 197565, 329275, 381959, 987825, 1145877, 1909795, 5729385, 9548975, 28646925]

約数ペア:

[(1, 28646925), (3, 9548975), (5, 5729385), (15, 1909795), (25, 1145877), (29, 987825), (75, 381959), (87, 329275), (145, 197565), (435, 65855), (725, 39513), (2175, 13171)]