81637947

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4019}}^1$

素因数の和:4123

約数の個数: 24

約数和(自身を含む): 123124560

約数和(自身を除く): 41486613

約数列:

[1, 3, 9, 37, 61, 111, 183, 333, 549, 2257, 4019, 6771, 12057, 20313, 36171, 148703, 245159, 446109, 735477, 1338327, 2206431, 9070883, 27212649, 81637947]

約数ペア:

[(1, 81637947), (3, 27212649), (9, 9070883), (37, 2206431), (61, 1338327), (111, 735477), (183, 446109), (333, 245159), (549, 148703), (2257, 36171), (4019, 20313), (6771, 12057)]