15769881

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 25608960

約数和(自身を除く): 9839079

約数列:

[1, 3, 9, 23, 29, 37, 69, 71, 87, 111, 207, 213, 261, 333, 639, 667, 851, 1073, 1633, 2001, 2059, 2553, 2627, 3219, 4899, 6003, 6177, 7659, 7881, 9657, 14697, 18531, 23643, 24679, 47357, 60421, 74037, 76183, 142071, 181263, 222111, 228549, 426213, 543789, 685647, 1752209, 5256627, 15769881]

約数ペア:

[(1, 15769881), (3, 5256627), (9, 1752209), (23, 685647), (29, 543789), (37, 426213), (69, 228549), (71, 222111), (87, 181263), (111, 142071), (207, 76183), (213, 74037), (261, 60421), (333, 47357), (639, 24679), (667, 23643), (851, 18531), (1073, 14697), (1633, 9657), (2001, 7881), (2059, 7659), (2553, 6177), (2627, 6003), (3219, 4899)]