642823803

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{19531}}^1$

素因数の和:19616

約数の個数: 32

約数和(自身を含む): 1012538880

約数和(自身を除く): 369715077

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 621, 1219, 1431, 3657, 10971, 19531, 32913, 58593, 175779, 449213, 527337, 1035143, 1347639, 3105429, 4042917, 9316287, 12128751, 23808289, 27948861, 71424867, 214274601, 642823803]

約数ペア:

[(1, 642823803), (3, 214274601), (9, 71424867), (23, 27948861), (27, 23808289), (53, 12128751), (69, 9316287), (159, 4042917), (207, 3105429), (477, 1347639), (621, 1035143), (1219, 527337), (1431, 449213), (3657, 175779), (10971, 58593), (19531, 32913)]