28085415

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 47333376

約数和(自身を除く): 19247961

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 345, 381, 635, 641, 1905, 1923, 2921, 3205, 8763, 9615, 14605, 14743, 43815, 44229, 73715, 81407, 221145, 244221, 407035, 1221105, 1872361, 5617083, 9361805, 28085415]

約数ペア:

[(1, 28085415), (3, 9361805), (5, 5617083), (15, 1872361), (23, 1221105), (69, 407035), (115, 244221), (127, 221145), (345, 81407), (381, 73715), (635, 44229), (641, 43815), (1905, 14743), (1923, 14605), (2921, 9615), (3205, 8763)]