15721394997

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1\times {\mathrm{5711}}^1$

素因数の和:6450

約数の個数: 64

約数和(自身を含む): 27715903488

約数和(自身を除く): 11994508491

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 701, 1309, 2103, 3927, 4907, 5711, 7711, 11917, 14721, 17133, 23133, 35751, 39977, 53977, 62821, 83419, 97087, 119931, 131087, 161931, 188463, 250257, 291261, 393261, 439747, 679609, 917609, 1067957, 1319241, 2038827, 2752827, 3203871, 4003411, 7475699, 12010233, 22427097, 28023877, 44037521, 68057987, 84071631, 132112563, 204173961, 308262647, 476405909, 748637857, 924787941, 1429217727, 2245913571, 5240464999, 15721394997]

約数ペア:

[(1, 15721394997), (3, 5240464999), (7, 2245913571), (11, 1429217727), (17, 924787941), (21, 748637857), (33, 476405909), (51, 308262647), (77, 204173961), (119, 132112563), (187, 84071631), (231, 68057987), (357, 44037521), (561, 28023877), (701, 22427097), (1309, 12010233), (2103, 7475699), (3927, 4003411), (4907, 3203871), (5711, 2752827), (7711, 2038827), (11917, 1319241), (14721, 1067957), (17133, 917609), (23133, 679609), (35751, 439747), (39977, 393261), (53977, 291261), (62821, 250257), (83419, 188463), (97087, 161931), (119931, 131087)]