15679111581

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{1801}}^1$

素因数の和:2879

約数の個数: 72

約数和(自身を含む): 27773865600

約数和(自身を除く): 12094754019

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1039, 1197, 1801, 2793, 3117, 5403, 7273, 8379, 9351, 12607, 16209, 19741, 21819, 34219, 37821, 50911, 59223, 65457, 88249, 102657, 113463, 138187, 152733, 177669, 239533, 264747, 307971, 414561, 458199, 718599, 794241, 967309, 1243683, 1676731, 1871239, 2155797, 2901927, 5030193, 5613717, 8705781, 13098673, 15090579, 16841151, 35553541, 39296019, 91690711, 106660623, 117888057, 248874787, 275072133, 319981869, 746624361, 825216399, 1742123509, 2239873083, 5226370527, 15679111581]

約数ペア:

[(1, 15679111581), (3, 5226370527), (7, 2239873083), (9, 1742123509), (19, 825216399), (21, 746624361), (49, 319981869), (57, 275072133), (63, 248874787), (133, 117888057), (147, 106660623), (171, 91690711), (399, 39296019), (441, 35553541), (931, 16841151), (1039, 15090579), (1197, 13098673), (1801, 8705781), (2793, 5613717), (3117, 5030193), (5403, 2901927), (7273, 2155797), (8379, 1871239), (9351, 1676731), (12607, 1243683), (16209, 967309), (19741, 794241), (21819, 718599), (34219, 458199), (37821, 414561), (50911, 307971), (59223, 264747), (65457, 239533), (88249, 177669), (102657, 152733), (113463, 138187)]