42339339

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 72683520

約数和(自身を除く): 30344181

約数列:

[1, 3, 7, 9, 21, 47, 63, 79, 141, 181, 237, 329, 423, 543, 553, 711, 987, 1267, 1629, 1659, 2961, 3713, 3801, 4977, 8507, 11139, 11403, 14299, 25521, 25991, 33417, 42897, 59549, 76563, 77973, 100093, 128691, 178647, 233919, 300279, 535941, 672053, 900837, 2016159, 4704371, 6048477, 14113113, 42339339]

約数ペア:

[(1, 42339339), (3, 14113113), (7, 6048477), (9, 4704371), (21, 2016159), (47, 900837), (63, 672053), (79, 535941), (141, 300279), (181, 233919), (237, 178647), (329, 128691), (423, 100093), (543, 77973), (553, 76563), (711, 59549), (987, 42897), (1267, 33417), (1629, 25991), (1659, 25521), (2961, 14299), (3713, 11403), (3801, 11139), (4977, 8507)]