81804675

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 144276480

約数和(自身を除く): 62471805

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 141, 235, 345, 575, 705, 1009, 1081, 1175, 1725, 3027, 3243, 3525, 5045, 5405, 15135, 16215, 23207, 25225, 27025, 47423, 69621, 75675, 81075, 116035, 142269, 237115, 348105, 580175, 711345, 1090729, 1185575, 1740525, 3272187, 3556725, 5453645, 16360935, 27268225, 81804675]

約数ペア:

[(1, 81804675), (3, 27268225), (5, 16360935), (15, 5453645), (23, 3556725), (25, 3272187), (47, 1740525), (69, 1185575), (75, 1090729), (115, 711345), (141, 580175), (235, 348105), (345, 237115), (575, 142269), (705, 116035), (1009, 81075), (1081, 75675), (1175, 69621), (1725, 47423), (3027, 27025), (3243, 25225), (3525, 23207), (5045, 16215), (5405, 15135)]