1551138771

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1487}}^1\times {\mathrm{3821}}^1$

素因数の和:5331

約数の個数: 32

約数和(自身を含む): 2547836928

約数和(自身を除く): 996698157

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1487, 3821, 4461, 10409, 11463, 19331, 26747, 31227, 49673, 57993, 80241, 135317, 149019, 347711, 405951, 1043133, 5681827, 17045481, 39772789, 73863751, 119318367, 221591253, 517046257, 1551138771]

約数ペア:

[(1, 1551138771), (3, 517046257), (7, 221591253), (13, 119318367), (21, 73863751), (39, 39772789), (91, 17045481), (273, 5681827), (1487, 1043133), (3821, 405951), (4461, 347711), (10409, 149019), (11463, 135317), (19331, 80241), (26747, 57993), (31227, 49673)]