12516021

素因数分解:

$3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 36

約数和(自身を含む): 21314124

約数和(自身を除く): 8798103

約数列:

[1, 3, 7, 9, 21, 49, 63, 101, 147, 281, 303, 441, 707, 843, 909, 1967, 2121, 2529, 4949, 5901, 6363, 13769, 14847, 17703, 28381, 41307, 44541, 85143, 123921, 198667, 255429, 596001, 1390669, 1788003, 4172007, 12516021]

約数ペア:

[(1, 12516021), (3, 4172007), (7, 1788003), (9, 1390669), (21, 596001), (49, 255429), (63, 198667), (101, 123921), (147, 85143), (281, 44541), (303, 41307), (441, 28381), (707, 17703), (843, 14847), (909, 13769), (1967, 6363), (2121, 5901), (2529, 4949)]