28425969

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1699}}^1$

素因数の和:1742

約数の個数: 36

約数和(自身を含む): 48531600

約数和(自身を除く): 20105631

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 169, 429, 507, 1287, 1521, 1699, 1859, 5097, 5577, 15291, 16731, 18689, 22087, 56067, 66261, 168201, 198783, 242957, 287131, 728871, 861393, 2186613, 2584179, 3158441, 9475323, 28425969]

約数ペア:

[(1, 28425969), (3, 9475323), (9, 3158441), (11, 2584179), (13, 2186613), (33, 861393), (39, 728871), (99, 287131), (117, 242957), (143, 198783), (169, 168201), (429, 66261), (507, 56067), (1287, 22087), (1521, 18689), (1699, 16731), (1859, 15291), (5097, 5577)]