1900771839

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1$

素因数の和:1397

約数の個数: 40

約数和(自身を含む): 2881006128

約数和(自身を除く): 980234289

約数列:

[1, 3, 9, 27, 81, 137, 157, 411, 471, 1091, 1233, 1413, 3273, 3699, 4239, 9819, 11097, 12717, 21509, 29457, 64527, 88371, 149467, 171287, 193581, 448401, 513861, 580743, 1345203, 1541583, 1742229, 4035609, 4624749, 12106827, 13874247, 23466319, 70398957, 211196871, 633590613, 1900771839]

約数ペア:

[(1, 1900771839), (3, 633590613), (9, 211196871), (27, 70398957), (81, 23466319), (137, 13874247), (157, 12106827), (411, 4624749), (471, 4035609), (1091, 1742229), (1233, 1541583), (1413, 1345203), (3273, 580743), (3699, 513861), (4239, 448401), (9819, 193581), (11097, 171287), (12717, 149467), (21509, 88371), (29457, 64527)]