81528606

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{21881}}^1$

素因数の和:21918

約数の個数: 40

約数和(自身を含む): 190635984

約数和(自身を除く): 109107378

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 21881, 43762, 65643, 131286, 196929, 393858, 503263, 590787, 1006526, 1181574, 1509789, 1772361, 3019578, 3544722, 4529367, 9058734, 13588101, 27176202, 40764303, 81528606]

約数ペア:

[(1, 81528606), (2, 40764303), (3, 27176202), (6, 13588101), (9, 9058734), (18, 4529367), (23, 3544722), (27, 3019578), (46, 1772361), (54, 1509789), (69, 1181574), (81, 1006526), (138, 590787), (162, 503263), (207, 393858), (414, 196929), (621, 131286), (1242, 65643), (1863, 43762), (3726, 21881)]