12929025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 23133440

約数和(自身を除く): 10204415

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 211, 215, 285, 475, 633, 645, 817, 1055, 1075, 1425, 2451, 3165, 3225, 4009, 4085, 5275, 9073, 12027, 12255, 15825, 20045, 20425, 27219, 45365, 60135, 61275, 100225, 136095, 172387, 226825, 300675, 517161, 680475, 861935, 2585805, 4309675, 12929025]

約数ペア:

[(1, 12929025), (3, 4309675), (5, 2585805), (15, 861935), (19, 680475), (25, 517161), (43, 300675), (57, 226825), (75, 172387), (95, 136095), (129, 100225), (211, 61275), (215, 60135), (285, 45365), (475, 27219), (633, 20425), (645, 20045), (817, 15825), (1055, 12255), (1075, 12027), (1425, 9073), (2451, 5275), (3165, 4085), (3225, 4009)]