204564129

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21599}}^1$

素因数の和:21661

約数の個数: 32

約数和(自身を含む): 348364800

約数和(自身を除く): 143800671

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 3157, 9471, 21599, 64797, 151193, 237589, 453579, 712767, 885559, 1663123, 2656677, 4989369, 6198913, 9741149, 18596739, 29223447, 68188043, 204564129]

約数ペア:

[(1, 204564129), (3, 68188043), (7, 29223447), (11, 18596739), (21, 9741149), (33, 6198913), (41, 4989369), (77, 2656677), (123, 1663123), (231, 885559), (287, 712767), (451, 453579), (861, 237589), (1353, 151193), (3157, 64797), (9471, 21599)]