1561567221

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{15427}}^1$

素因数の和:15622

約数の個数: 32

約数和(自身を含む): 2428984320

約数和(自身を除く): 867417099

約数列:

[1, 3, 9, 23, 27, 69, 163, 207, 489, 621, 1467, 3749, 4401, 11247, 15427, 33741, 46281, 101223, 138843, 354821, 416529, 1064463, 2514601, 3193389, 7543803, 9580167, 22631409, 57835823, 67894227, 173507469, 520522407, 1561567221]

約数ペア:

[(1, 1561567221), (3, 520522407), (9, 173507469), (23, 67894227), (27, 57835823), (69, 22631409), (163, 9580167), (207, 7543803), (489, 3193389), (621, 2514601), (1467, 1064463), (3749, 416529), (4401, 354821), (11247, 138843), (15427, 101223), (33741, 46281)]