2998827

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 4992624

約数和(自身を除く): 1993797

約数列:

[1, 3, 9, 13, 19, 39, 57, 71, 117, 171, 213, 247, 361, 639, 741, 923, 1083, 1349, 2223, 2769, 3249, 4047, 4693, 8307, 12141, 14079, 17537, 25631, 42237, 52611, 76893, 157833, 230679, 333203, 999609, 2998827]

約数ペア:

[(1, 2998827), (3, 999609), (9, 333203), (13, 230679), (19, 157833), (39, 76893), (57, 52611), (71, 42237), (117, 25631), (171, 17537), (213, 14079), (247, 12141), (361, 8307), (639, 4693), (741, 4047), (923, 3249), (1083, 2769), (1349, 2223)]