173172699

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{20983}}^1$

素因数の和:21127

約数の個数: 24

約数和(自身を含む): 288068352

約数和(自身を除く): 114895653

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 20983, 62949, 146881, 188847, 440643, 1321929, 2748773, 8246319, 19241411, 24738957, 57724233, 173172699]

約数ペア:

[(1, 173172699), (3, 57724233), (7, 24738957), (9, 19241411), (21, 8246319), (63, 2748773), (131, 1321929), (393, 440643), (917, 188847), (1179, 146881), (2751, 62949), (8253, 20983)]