209898255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{32771}}^1$

素因数の和:32847

約数の個数: 32

約数和(自身を含む): 390117888

約数和(自身を除く): 180219633

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405, 32771, 98313, 163855, 229397, 491565, 688191, 1146985, 1999031, 3440955, 5997093, 9995155, 13993217, 29985465, 41979651, 69966085, 209898255]

約数ペア:

[(1, 209898255), (3, 69966085), (5, 41979651), (7, 29985465), (15, 13993217), (21, 9995155), (35, 5997093), (61, 3440955), (105, 1999031), (183, 1146985), (305, 688191), (427, 491565), (915, 229397), (1281, 163855), (2135, 98313), (6405, 32771)]