195777771

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{1021}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 312388608

約数和(自身を除く): 116610837

約数列:

[1, 3, 7, 21, 23, 69, 161, 397, 483, 1021, 1191, 2779, 3063, 7147, 8337, 9131, 21441, 23483, 27393, 63917, 70449, 164381, 191751, 405337, 493143, 1216011, 2837359, 8512077, 9322751, 27968253, 65259257, 195777771]

約数ペア:

[(1, 195777771), (3, 65259257), (7, 27968253), (21, 9322751), (23, 8512077), (69, 2837359), (161, 1216011), (397, 493143), (483, 405337), (1021, 191751), (1191, 164381), (2779, 70449), (3063, 63917), (7147, 27393), (8337, 23483), (9131, 21441)]