81558

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:228

約数の個数: 24

約数和(自身を含む): 185328

約数和(自身を除く): 103770

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 197, 207, 394, 414, 591, 1182, 1773, 3546, 4531, 9062, 13593, 27186, 40779, 81558]

約数ペア:

[(1, 81558), (2, 40779), (3, 27186), (6, 13593), (9, 9062), (18, 4531), (23, 3546), (46, 1773), (69, 1182), (138, 591), (197, 414), (207, 394)]