51497397

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^2\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 89783680

約数和(自身を除く): 38286283

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 97, 159, 189, 291, 371, 477, 679, 873, 1113, 1431, 2037, 2619, 2809, 3339, 5141, 6111, 8427, 10017, 15423, 18333, 19663, 25281, 35987, 46269, 58989, 75843, 107961, 138807, 176967, 272473, 323883, 530901, 817419, 971649, 1907311, 2452257, 5721933, 7356771, 17165799, 51497397]

約数ペア:

[(1, 51497397), (3, 17165799), (7, 7356771), (9, 5721933), (21, 2452257), (27, 1907311), (53, 971649), (63, 817419), (97, 530901), (159, 323883), (189, 272473), (291, 176967), (371, 138807), (477, 107961), (679, 75843), (873, 58989), (1113, 46269), (1431, 35987), (2037, 25281), (2619, 19663), (2809, 18333), (3339, 15423), (5141, 10017), (6111, 8427)]