161325

素因数分解:

$3^3\times 5^2\times {\mathrm{239}}^1$

素因数の和:258

約数の個数: 24

約数和(自身を含む): 297600

約数和(自身を除く): 136275

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 239, 675, 717, 1195, 2151, 3585, 5975, 6453, 10755, 17925, 32265, 53775, 161325]

約数ペア:

[(1, 161325), (3, 53775), (5, 32265), (9, 17925), (15, 10755), (25, 6453), (27, 5975), (45, 3585), (75, 2151), (135, 1195), (225, 717), (239, 675)]