12918843

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4363}}^1$

素因数の和:4423

約数の個数: 24

約数和(自身を含む): 21785088

約数和(自身を除く): 8866245

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 4363, 13089, 30541, 39267, 91623, 205061, 274869, 615183, 1435427, 1845549, 4306281, 12918843]

約数ペア:

[(1, 12918843), (3, 4306281), (7, 1845549), (9, 1435427), (21, 615183), (47, 274869), (63, 205061), (141, 91623), (329, 39267), (423, 30541), (987, 13089), (2961, 4363)]