90331395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 181564416

約数和(自身を除く): 91233021

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 197, 231, 385, 397, 591, 985, 1155, 1191, 1379, 1985, 2167, 2779, 2955, 4137, 4367, 5955, 6501, 6895, 8337, 10835, 13101, 13895, 15169, 20685, 21835, 30569, 32505, 41685, 45507, 65505, 75845, 78209, 91707, 152845, 227535, 234627, 391045, 458535, 547463, 860299, 1173135, 1642389, 2580897, 2737315, 4301495, 6022093, 8211945, 12904485, 18066279, 30110465, 90331395]

約数ペア:

[(1, 90331395), (3, 30110465), (5, 18066279), (7, 12904485), (11, 8211945), (15, 6022093), (21, 4301495), (33, 2737315), (35, 2580897), (55, 1642389), (77, 1173135), (105, 860299), (165, 547463), (197, 458535), (231, 391045), (385, 234627), (397, 227535), (591, 152845), (985, 91707), (1155, 78209), (1191, 75845), (1379, 65505), (1985, 45507), (2167, 41685), (2779, 32505), (2955, 30569), (4137, 21835), (4367, 20685), (5955, 15169), (6501, 13895), (6895, 13101), (8337, 10835)]