7242291

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 12649824

約数和(自身を除く): 5407533

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 241, 371, 477, 567, 723, 1113, 1431, 1687, 2169, 3339, 4293, 5061, 6507, 10017, 12773, 15183, 19521, 30051, 38319, 45549, 89411, 114957, 136647, 268233, 344871, 804699, 1034613, 2414097, 7242291]

約数ペア:

[(1, 7242291), (3, 2414097), (7, 1034613), (9, 804699), (21, 344871), (27, 268233), (53, 136647), (63, 114957), (81, 89411), (159, 45549), (189, 38319), (241, 30051), (371, 19521), (477, 15183), (567, 12773), (723, 10017), (1113, 6507), (1431, 5061), (1687, 4293), (2169, 3339)]