171640209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{4441}}^1$

素因数の和:5448

約数の個数: 16

約数和(自身を含む): 246761984

約数和(自身を除く): 75121775

約数列:

[1, 3, 13, 39, 991, 2973, 4441, 12883, 13323, 38649, 57733, 173199, 4401031, 13203093, 57213403, 171640209]

約数ペア:

[(1, 171640209), (3, 57213403), (13, 13203093), (39, 4401031), (991, 173199), (2973, 57733), (4441, 38649), (12883, 13323)]