143775

素因数分解:

$3^4\times 5^2\times {\mathrm{71}}^1$

素因数の和:93

約数の個数: 30

約数和(自身を含む): 270072

約数和(自身を除く): 126297

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 135, 213, 225, 355, 405, 639, 675, 1065, 1775, 1917, 2025, 3195, 5325, 5751, 9585, 15975, 28755, 47925, 143775]

約数ペア:

[(1, 143775), (3, 47925), (5, 28755), (9, 15975), (15, 9585), (25, 5751), (27, 5325), (45, 3195), (71, 2025), (75, 1917), (81, 1775), (135, 1065), (213, 675), (225, 639), (355, 405)]