281081332221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1\times {\mathrm{761}}^1$

素因数の和:1454

約数の個数: 64

約数和(自身を含む): 404540801280

約数和(自身を除く): 123459469059

約数列:

[1, 3, 17, 51, 97, 197, 291, 379, 591, 761, 1137, 1649, 2283, 3349, 4947, 6443, 10047, 12937, 19109, 19329, 36763, 38811, 57327, 73817, 74663, 110289, 149917, 221451, 223989, 288419, 324853, 449751, 624971, 865257, 974559, 1254889, 1269271, 1874913, 2548589, 3764667, 3807813, 4903123, 7242311, 7645767, 14541949, 14709369, 21726933, 27976643, 43625847, 56818543, 83929929, 123119287, 170455629, 247213133, 369357861, 475602931, 741639399, 965915231, 1426808793, 2897745693, 5511398671, 16534196013, 93693777407, 281081332221]

約数ペア:

[(1, 281081332221), (3, 93693777407), (17, 16534196013), (51, 5511398671), (97, 2897745693), (197, 1426808793), (291, 965915231), (379, 741639399), (591, 475602931), (761, 369357861), (1137, 247213133), (1649, 170455629), (2283, 123119287), (3349, 83929929), (4947, 56818543), (6443, 43625847), (10047, 27976643), (12937, 21726933), (19109, 14709369), (19329, 14541949), (36763, 7645767), (38811, 7242311), (57327, 4903123), (73817, 3807813), (74663, 3764667), (110289, 2548589), (149917, 1874913), (221451, 1269271), (223989, 1254889), (288419, 974559), (324853, 865257), (449751, 624971)]