212330979

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{24247}}^1$

素因数の和:24399

約数の個数: 24

約数和(自身を含む): 353050880

約数和(自身を除く): 140719901

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 24247, 72741, 169729, 218223, 509187, 1527561, 3370333, 10110999, 23592331, 30332997, 70776993, 212330979]

約数ペア:

[(1, 212330979), (3, 70776993), (7, 30332997), (9, 23592331), (21, 10110999), (63, 3370333), (139, 1527561), (417, 509187), (973, 218223), (1251, 169729), (2919, 72741), (8757, 24247)]