19940931

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 11232189

約数列:

[1, 3, 9, 23, 27, 69, 163, 197, 207, 489, 591, 621, 1467, 1773, 3749, 4401, 4531, 5319, 11247, 13593, 32111, 33741, 40779, 96333, 101223, 122337, 288999, 738553, 866997, 2215659, 6646977, 19940931]

約数ペア:

[(1, 19940931), (3, 6646977), (9, 2215659), (23, 866997), (27, 738553), (69, 288999), (163, 122337), (197, 101223), (207, 96333), (489, 40779), (591, 33741), (621, 32111), (1467, 13593), (1773, 11247), (3749, 5319), (4401, 4531)]