16218492705

素因数分解:

$3^4\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{32531}}^1$

素因数の和:33779

約数の個数: 40

約数和(自身を含む): 29097661824

約数和(自身を除く): 12879169119

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1231, 3693, 6155, 11079, 18465, 32531, 33237, 55395, 97593, 99711, 162655, 166185, 292779, 487965, 498555, 878337, 1463895, 2635011, 4391685, 13175055, 40045661, 120136983, 200228305, 360410949, 600684915, 1081232847, 1802054745, 3243698541, 5406164235, 16218492705]

約数ペア:

[(1, 16218492705), (3, 5406164235), (5, 3243698541), (9, 1802054745), (15, 1081232847), (27, 600684915), (45, 360410949), (81, 200228305), (135, 120136983), (405, 40045661), (1231, 13175055), (3693, 4391685), (6155, 2635011), (11079, 1463895), (18465, 878337), (32531, 498555), (33237, 487965), (55395, 292779), (97593, 166185), (99711, 162655)]