66820173

素因数分解:

$3^1\times 7^3\times {\mathrm{64937}}^1$

素因数の和:64961

約数の個数: 16

約数和(自身を含む): 103900800

約数和(自身を除く): 37080627

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 64937, 194811, 454559, 1363677, 3181913, 9545739, 22273391, 66820173]

約数ペア:

[(1, 66820173), (3, 22273391), (7, 9545739), (21, 3181913), (49, 1363677), (147, 454559), (343, 194811), (1029, 64937)]