81973563

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73651}}^1$

素因数の和:73714

約数の個数: 16

約数和(自身を含む): 127270656

約数和(自身を除く): 45297093

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 73651, 220953, 515557, 1546671, 3903503, 11710509, 27324521, 81973563]

約数ペア:

[(1, 81973563), (3, 27324521), (7, 11710509), (21, 3903503), (53, 1546671), (159, 515557), (371, 220953), (1113, 73651)]