15872409

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 27114240

約数和(自身を除く): 11241831

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 613, 959, 1233, 1839, 2877, 3699, 4291, 5517, 8631, 12873, 16551, 25893, 38619, 83981, 115857, 251943, 587867, 755829, 1763601, 2267487, 5290803, 15872409]

約数ペア:

[(1, 15872409), (3, 5290803), (7, 2267487), (9, 1763601), (21, 755829), (27, 587867), (63, 251943), (137, 115857), (189, 83981), (411, 38619), (613, 25893), (959, 16551), (1233, 12873), (1839, 8631), (2877, 5517), (3699, 4291)]