661005807

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2861497}}^1$

素因数の和:2861518

約数の個数: 16

約数和(自身を含む): 1098815232

約数和(自身を除く): 437809425

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 2861497, 8584491, 20030479, 31476467, 60091437, 94429401, 220335269, 661005807]

約数ペア:

[(1, 661005807), (3, 220335269), (7, 94429401), (11, 60091437), (21, 31476467), (33, 20030479), (77, 8584491), (231, 2861497)]