73789933

素因数分解:

$7^4\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 20

約数和(自身を含む): 87469628

約数和(自身を除く): 13679695

約数列:

[1, 7, 49, 73, 343, 421, 511, 2401, 2947, 3577, 20629, 25039, 30733, 144403, 175273, 215131, 1010821, 1505917, 10541419, 73789933]

約数ペア:

[(1, 73789933), (7, 10541419), (49, 1505917), (73, 1010821), (343, 215131), (421, 175273), (511, 144403), (2401, 30733), (2947, 25039), (3577, 20629)]