165905253

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{43579}}^1$

素因数の和:43638

約数の個数: 20

約数和(自身を含む): 253112640

約数和(自身を除く): 87207387

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 43579, 130737, 392211, 1176633, 2048213, 3529899, 6144639, 18433917, 55301751, 165905253]

約数ペア:

[(1, 165905253), (3, 55301751), (9, 18433917), (27, 6144639), (47, 3529899), (81, 2048213), (141, 1176633), (423, 392211), (1269, 130737), (3807, 43579)]