168839643

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 280458240

約数和(自身を除く): 111618597

約数列:

[1, 3, 7, 19, 21, 49, 57, 61, 133, 147, 183, 399, 427, 931, 991, 1159, 1281, 2793, 2973, 2989, 3477, 6937, 8113, 8967, 18829, 20811, 24339, 48559, 56487, 56791, 60451, 131803, 145677, 170373, 181353, 395409, 423157, 922621, 1148569, 1269471, 2767863, 2962099, 3445707, 8039983, 8886297, 24119949, 56279881, 168839643]

約数ペア:

[(1, 168839643), (3, 56279881), (7, 24119949), (19, 8886297), (21, 8039983), (49, 3445707), (57, 2962099), (61, 2767863), (133, 1269471), (147, 1148569), (183, 922621), (399, 423157), (427, 395409), (931, 181353), (991, 170373), (1159, 145677), (1281, 131803), (2793, 60451), (2973, 56791), (2989, 56487), (3477, 48559), (6937, 24339), (8113, 20811), (8967, 18829)]