12821486265

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{20693}}^1$

素因数の和:20999

約数の個数: 72

約数和(自身を含む): 25945557768

約数和(自身を除く): 13124071503

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 281, 315, 441, 735, 843, 1405, 1967, 2205, 2529, 4215, 5901, 9835, 12645, 13769, 17703, 20693, 29505, 41307, 62079, 68845, 88515, 103465, 123921, 144851, 186237, 206535, 310395, 434553, 619605, 724255, 931185, 1013957, 1303659, 2172765, 3041871, 5069785, 5814733, 6518295, 9125613, 15209355, 17444199, 29073665, 40703131, 45628065, 52332597, 87220995, 122109393, 203515655, 261662985, 284921917, 366328179, 610546965, 854765751, 1424609585, 1831640895, 2564297253, 4273828755, 12821486265]

約数ペア:

[(1, 12821486265), (3, 4273828755), (5, 2564297253), (7, 1831640895), (9, 1424609585), (15, 854765751), (21, 610546965), (35, 366328179), (45, 284921917), (49, 261662985), (63, 203515655), (105, 122109393), (147, 87220995), (245, 52332597), (281, 45628065), (315, 40703131), (441, 29073665), (735, 17444199), (843, 15209355), (1405, 9125613), (1967, 6518295), (2205, 5814733), (2529, 5069785), (4215, 3041871), (5901, 2172765), (9835, 1303659), (12645, 1013957), (13769, 931185), (17703, 724255), (20693, 619605), (29505, 434553), (41307, 310395), (62079, 206535), (68845, 186237), (88515, 144851), (103465, 123921)]