398682

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:144

約数の個数: 40

約数和(自身を含む): 940896

約数和(自身を除く): 542214

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 107, 138, 162, 207, 214, 321, 414, 621, 642, 963, 1242, 1863, 1926, 2461, 2889, 3726, 4922, 5778, 7383, 8667, 14766, 17334, 22149, 44298, 66447, 132894, 199341, 398682]

約数ペア:

[(1, 398682), (2, 199341), (3, 132894), (6, 66447), (9, 44298), (18, 22149), (23, 17334), (27, 14766), (46, 8667), (54, 7383), (69, 5778), (81, 4922), (107, 3726), (138, 2889), (162, 2461), (207, 1926), (214, 1863), (321, 1242), (414, 963), (621, 642)]