8429421

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 15398208

約数和(自身を除く): 6968787

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 401, 429, 539, 637, 1001, 1203, 1617, 1911, 2807, 3003, 4411, 5213, 7007, 8421, 13233, 15639, 19649, 21021, 30877, 36491, 57343, 58947, 92631, 109473, 172029, 216139, 255437, 401401, 648417, 766311, 1204203, 2809807, 8429421]

約数ペア:

[(1, 8429421), (3, 2809807), (7, 1204203), (11, 766311), (13, 648417), (21, 401401), (33, 255437), (39, 216139), (49, 172029), (77, 109473), (91, 92631), (143, 58947), (147, 57343), (231, 36491), (273, 30877), (401, 21021), (429, 19649), (539, 15639), (637, 13233), (1001, 8421), (1203, 7007), (1617, 5213), (1911, 4411), (2807, 3003)]