47996991

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 81978624

約数和(自身を除く): 33981633

約数列:

[1, 3, 7, 9, 21, 63, 67, 83, 137, 201, 249, 411, 469, 581, 603, 747, 959, 1233, 1407, 1743, 2877, 4221, 5229, 5561, 8631, 9179, 11371, 16683, 27537, 34113, 38927, 50049, 64253, 79597, 82611, 102339, 116781, 192759, 238791, 350343, 578277, 716373, 761857, 2285571, 5332999, 6856713, 15998997, 47996991]

約数ペア:

[(1, 47996991), (3, 15998997), (7, 6856713), (9, 5332999), (21, 2285571), (63, 761857), (67, 716373), (83, 578277), (137, 350343), (201, 238791), (249, 192759), (411, 116781), (469, 102339), (581, 82611), (603, 79597), (747, 64253), (959, 50049), (1233, 38927), (1407, 34113), (1743, 27537), (2877, 16683), (4221, 11371), (5229, 9179), (5561, 8631)]