1397627829

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{168247}}^1$

素因数の和:168337

約数の個数: 24

約数和(自身を含む): 2204721792

約数和(自身を除く): 807093963

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 168247, 504741, 1514223, 2187211, 6561633, 11945537, 19684899, 35836611, 107509833, 155291981, 465875943, 1397627829]

約数ペア:

[(1, 1397627829), (3, 465875943), (9, 155291981), (13, 107509833), (39, 35836611), (71, 19684899), (117, 11945537), (213, 6561633), (639, 2187211), (923, 1514223), (2769, 504741), (8307, 168247)]