7647339

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 12386304

約数和(自身を除く): 4738965

約数列:

[1, 3, 7, 21, 23, 69, 71, 161, 213, 223, 483, 497, 669, 1491, 1561, 1633, 4683, 4899, 5129, 11431, 15387, 15833, 34293, 35903, 47499, 107709, 110831, 332493, 364159, 1092477, 2549113, 7647339]

約数ペア:

[(1, 7647339), (3, 2549113), (7, 1092477), (21, 364159), (23, 332493), (69, 110831), (71, 107709), (161, 47499), (213, 35903), (223, 34293), (483, 15833), (497, 15387), (669, 11431), (1491, 5129), (1561, 4899), (1633, 4683)]