2145401979

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{773}}^1\times {\mathrm{887}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 3299097600

約数和(自身を除く): 1153695621

約数列:

[1, 3, 7, 21, 149, 447, 773, 887, 1043, 2319, 2661, 3129, 5411, 6209, 16233, 18627, 115177, 132163, 345531, 396489, 685651, 806239, 925141, 2056953, 2418717, 2775423, 4799557, 14398671, 102161999, 306485997, 715133993, 2145401979]

約数ペア:

[(1, 2145401979), (3, 715133993), (7, 306485997), (21, 102161999), (149, 14398671), (447, 4799557), (773, 2775423), (887, 2418717), (1043, 2056953), (2319, 925141), (2661, 806239), (3129, 685651), (5411, 396489), (6209, 345531), (16233, 132163), (18627, 115177)]