90406911

素因数分解:

$3^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{853}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 142105600

約数和(自身を除く): 51698689

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 343, 721, 853, 1029, 2163, 2559, 5047, 5971, 15141, 17913, 35329, 41797, 87859, 105987, 125391, 263577, 292579, 615013, 877737, 1845039, 4305091, 12915273, 30135637, 90406911]

約数ペア:

[(1, 90406911), (3, 30135637), (7, 12915273), (21, 4305091), (49, 1845039), (103, 877737), (147, 615013), (309, 292579), (343, 263577), (721, 125391), (853, 105987), (1029, 87859), (2163, 41797), (2559, 35329), (5047, 17913), (5971, 15141)]