209877369

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2819}}^1$

素因数の和:2941

約数の個数: 32

約数和(自身を含む): 318366720

約数和(自身を除く): 108489351

約数列:

[1, 3, 13, 23, 39, 69, 83, 249, 299, 897, 1079, 1909, 2819, 3237, 5727, 8457, 24817, 36647, 64837, 74451, 109941, 194511, 233977, 701931, 842881, 2528643, 3041701, 5381471, 9125103, 16144413, 69959123, 209877369]

約数ペア:

[(1, 209877369), (3, 69959123), (13, 16144413), (23, 9125103), (39, 5381471), (69, 3041701), (83, 2528643), (249, 842881), (299, 701931), (897, 233977), (1079, 194511), (1909, 109941), (2819, 74451), (3237, 64837), (5727, 36647), (8457, 24817)]