728042259

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1\times {\mathrm{1217}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 1130927616

約数和(自身を除く): 402885357

約数列:

[1, 3, 7, 21, 61, 183, 427, 467, 1217, 1281, 1401, 3269, 3651, 8519, 9807, 25557, 28487, 74237, 85461, 199409, 222711, 519659, 568339, 598227, 1558977, 1705017, 3978373, 11935119, 34668679, 104006037, 242680753, 728042259]

約数ペア:

[(1, 728042259), (3, 242680753), (7, 104006037), (21, 34668679), (61, 11935119), (183, 3978373), (427, 1705017), (467, 1558977), (1217, 598227), (1281, 568339), (1401, 519659), (3269, 222711), (3651, 199409), (8519, 85461), (9807, 74237), (25557, 28487)]