820199277

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6421}}^1$

素因数の和:6535

約数の個数: 40

約数和(自身を含む): 1305464160

約数和(自身を除く): 485264883

約数列:

[1, 3, 9, 19, 27, 57, 81, 83, 171, 249, 513, 747, 1539, 1577, 2241, 4731, 6421, 6723, 14193, 19263, 42579, 57789, 121999, 127737, 173367, 365997, 520101, 532943, 1097991, 1598829, 3293973, 4796487, 9881919, 10125917, 14389461, 30377751, 43168383, 91133253, 273399759, 820199277]

約数ペア:

[(1, 820199277), (3, 273399759), (9, 91133253), (19, 43168383), (27, 30377751), (57, 14389461), (81, 10125917), (83, 9881919), (171, 4796487), (249, 3293973), (513, 1598829), (747, 1097991), (1539, 532943), (1577, 520101), (2241, 365997), (4731, 173367), (6421, 127737), (6723, 121999), (14193, 57789), (19263, 42579)]