89904555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 168700896

約数和(自身を除く): 78796341

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 313, 491, 585, 939, 1473, 1565, 2455, 2817, 4069, 4419, 4695, 6383, 7365, 12207, 14085, 19149, 20345, 22095, 31915, 36621, 57447, 61035, 95745, 153683, 183105, 287235, 461049, 768415, 1383147, 1997879, 2305245, 5993637, 6915735, 9989395, 17980911, 29968185, 89904555]

約数ペア:

[(1, 89904555), (3, 29968185), (5, 17980911), (9, 9989395), (13, 6915735), (15, 5993637), (39, 2305245), (45, 1997879), (65, 1383147), (117, 768415), (195, 461049), (313, 287235), (491, 183105), (585, 153683), (939, 95745), (1473, 61035), (1565, 57447), (2455, 36621), (2817, 31915), (4069, 22095), (4419, 20345), (4695, 19149), (6383, 14085), (7365, 12207)]