678882813

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{2843}}^1$

素因数の和:3073

約数の個数: 32

約数和(自身を含む): 1054964736

約数和(自身を除く): 376081923

約数列:

[1, 3, 7, 21, 83, 137, 249, 411, 581, 959, 1743, 2843, 2877, 8529, 11371, 19901, 34113, 59703, 79597, 235969, 238791, 389491, 707907, 1168473, 1651783, 2726437, 4955349, 8179311, 32327753, 96983259, 226294271, 678882813]

約数ペア:

[(1, 678882813), (3, 226294271), (7, 96983259), (21, 32327753), (83, 8179311), (137, 4955349), (249, 2726437), (411, 1651783), (581, 1168473), (959, 707907), (1743, 389491), (2843, 238791), (2877, 235969), (8529, 79597), (11371, 59703), (19901, 34113)]