81404106

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{1153}}^1$

素因数の和:1247

約数の個数: 48

約数和(自身を含む): 190880832

約数和(自身を除く): 109476726

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1153, 1681, 1722, 2306, 3362, 3459, 5043, 6918, 8071, 10086, 11767, 16142, 23534, 24213, 35301, 47273, 48426, 70602, 94546, 141819, 283638, 330911, 661822, 992733, 1938193, 1985466, 3876386, 5814579, 11629158, 13567351, 27134702, 40702053, 81404106]

約数ペア:

[(1, 81404106), (2, 40702053), (3, 27134702), (6, 13567351), (7, 11629158), (14, 5814579), (21, 3876386), (41, 1985466), (42, 1938193), (82, 992733), (123, 661822), (246, 330911), (287, 283638), (574, 141819), (861, 94546), (1153, 70602), (1681, 48426), (1722, 47273), (2306, 35301), (3362, 24213), (3459, 23534), (5043, 16142), (6918, 11767), (8071, 10086)]