201540231

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{16699}}^1$

素因数の和:16860

約数の個数: 20

約数和(自身を含む): 303105000

約数和(自身を除く): 101564769

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 16699, 50097, 150291, 450873, 1352619, 2488151, 7464453, 22393359, 67180077, 201540231]

約数ペア:

[(1, 201540231), (3, 67180077), (9, 22393359), (27, 7464453), (81, 2488151), (149, 1352619), (447, 450873), (1341, 150291), (4023, 50097), (12069, 16699)]