66408075

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4157}}^1$

素因数の和:4244

約数の個数: 36

約数和(自身を含む): 120648528

約数和(自身を除く): 54240453

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 4157, 5325, 12471, 15975, 20785, 37413, 62355, 103925, 187065, 295147, 311775, 885441, 935325, 1475735, 2656323, 4427205, 7378675, 13281615, 22136025, 66408075]

約数ペア:

[(1, 66408075), (3, 22136025), (5, 13281615), (9, 7378675), (15, 4427205), (25, 2656323), (45, 1475735), (71, 935325), (75, 885441), (213, 311775), (225, 295147), (355, 187065), (639, 103925), (1065, 62355), (1775, 37413), (3195, 20785), (4157, 15975), (5325, 12471)]