12806475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 24944832

約数和(自身を除く): 12138357

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 43, 55, 57, 75, 95, 129, 165, 209, 215, 275, 285, 361, 473, 475, 627, 645, 817, 825, 1045, 1075, 1083, 1419, 1425, 1805, 2365, 2451, 3135, 3225, 3971, 4085, 5225, 5415, 7095, 8987, 9025, 11825, 11913, 12255, 15523, 15675, 19855, 20425, 26961, 27075, 35475, 44935, 46569, 59565, 61275, 77615, 99275, 134805, 170753, 224675, 232845, 297825, 388075, 512259, 674025, 853765, 1164225, 2561295, 4268825, 12806475]

約数ペア:

[(1, 12806475), (3, 4268825), (5, 2561295), (11, 1164225), (15, 853765), (19, 674025), (25, 512259), (33, 388075), (43, 297825), (55, 232845), (57, 224675), (75, 170753), (95, 134805), (129, 99275), (165, 77615), (209, 61275), (215, 59565), (275, 46569), (285, 44935), (361, 35475), (473, 27075), (475, 26961), (627, 20425), (645, 19855), (817, 15675), (825, 15523), (1045, 12255), (1075, 11913), (1083, 11825), (1419, 9025), (1425, 8987), (1805, 7095), (2365, 5415), (2451, 5225), (3135, 4085), (3225, 3971)]