61213887

素因数分解:

$3^5\times 7^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 109798416

約数和(自身を除く): 48584529

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 81, 97, 147, 159, 189, 243, 291, 371, 441, 477, 567, 679, 873, 1113, 1323, 1431, 1701, 2037, 2597, 2619, 3339, 3969, 4293, 4753, 5141, 6111, 7791, 7857, 10017, 11907, 12879, 14259, 15423, 18333, 23373, 23571, 30051, 35987, 42777, 46269, 54999, 70119, 90153, 107961, 128331, 138807, 164997, 210357, 251909, 323883, 384993, 416421, 631071, 755727, 971649, 1154979, 1249263, 2267181, 2914947, 6801543, 8744841, 20404629, 61213887]

約数ペア:

[(1, 61213887), (3, 20404629), (7, 8744841), (9, 6801543), (21, 2914947), (27, 2267181), (49, 1249263), (53, 1154979), (63, 971649), (81, 755727), (97, 631071), (147, 416421), (159, 384993), (189, 323883), (243, 251909), (291, 210357), (371, 164997), (441, 138807), (477, 128331), (567, 107961), (679, 90153), (873, 70119), (1113, 54999), (1323, 46269), (1431, 42777), (1701, 35987), (2037, 30051), (2597, 23571), (2619, 23373), (3339, 18333), (3969, 15423), (4293, 14259), (4753, 12879), (5141, 11907), (6111, 10017), (7791, 7857)]