51681729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 79833600

約数和(自身を除く): 28151871

約数列:

[1, 3, 11, 19, 33, 57, 139, 209, 417, 593, 627, 1529, 1779, 2641, 4587, 6523, 7923, 11267, 19569, 29051, 33801, 82427, 87153, 123937, 247281, 371811, 906697, 1566113, 2720091, 4698339, 17227243, 51681729]

約数ペア:

[(1, 51681729), (3, 17227243), (11, 4698339), (19, 2720091), (33, 1566113), (57, 906697), (139, 371811), (209, 247281), (417, 123937), (593, 87153), (627, 82427), (1529, 33801), (1779, 29051), (2641, 19569), (4587, 11267), (6523, 7923)]