201331647

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{28643}}^1$

素因数の和:28731

約数の個数: 24

約数和(自身を含む): 321729408

約数和(自身を除く): 120397761

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 28643, 85929, 257787, 315073, 945219, 2033653, 2835657, 6100959, 18302877, 22370183, 67110549, 201331647]

約数ペア:

[(1, 201331647), (3, 67110549), (9, 22370183), (11, 18302877), (33, 6100959), (71, 2835657), (99, 2033653), (213, 945219), (639, 315073), (781, 257787), (2343, 85929), (7029, 28643)]