210804545

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1999}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 304128000

約数和(自身を除く): 93323455

約数列:

[1, 5, 7, 23, 35, 115, 131, 161, 655, 805, 917, 1999, 3013, 4585, 9995, 13993, 15065, 21091, 45977, 69965, 105455, 229885, 261869, 321839, 1309345, 1609195, 1833083, 6022987, 9165415, 30114935, 42160909, 210804545]

約数ペア:

[(1, 210804545), (5, 42160909), (7, 30114935), (23, 9165415), (35, 6022987), (115, 1833083), (131, 1609195), (161, 1309345), (655, 321839), (805, 261869), (917, 229885), (1999, 105455), (3013, 69965), (4585, 45977), (9995, 21091), (13993, 15065)]