42856947

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^2\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 72312240

約数和(自身を除く): 29455293

約数列:

[1, 3, 7, 9, 21, 63, 79, 109, 237, 327, 553, 711, 763, 981, 1659, 2289, 4977, 6241, 6867, 8611, 18723, 25833, 43687, 56169, 60277, 77499, 131061, 180831, 393183, 542493, 680269, 2040807, 4761883, 6122421, 14285649, 42856947]

約数ペア:

[(1, 42856947), (3, 14285649), (7, 6122421), (9, 4761883), (21, 2040807), (63, 680269), (79, 542493), (109, 393183), (237, 180831), (327, 131061), (553, 77499), (711, 60277), (763, 56169), (981, 43687), (1659, 25833), (2289, 18723), (4977, 8611), (6241, 6867)]