57212211

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 92323840

約数和(自身を除く): 35111629

約数列:

[1, 3, 7, 19, 21, 57, 133, 223, 399, 643, 669, 1561, 1929, 4237, 4501, 4683, 12217, 12711, 13503, 29659, 36651, 85519, 88977, 143389, 256557, 430167, 1003723, 2724391, 3011169, 8173173, 19070737, 57212211]

約数ペア:

[(1, 57212211), (3, 19070737), (7, 8173173), (19, 3011169), (21, 2724391), (57, 1003723), (133, 430167), (223, 256557), (399, 143389), (643, 88977), (669, 85519), (1561, 36651), (1929, 29659), (4237, 13503), (4501, 12711), (4683, 12217)]