281521143

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{269}}^1\times {\mathrm{467}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 424569600

約数和(自身を除く): 143048457

約数列:

[1, 3, 9, 27, 83, 249, 269, 467, 747, 807, 1401, 2241, 2421, 4203, 7263, 12609, 22327, 38761, 66981, 116283, 125623, 200943, 348849, 376869, 602829, 1046547, 1130607, 3391821, 10426709, 31280127, 93840381, 281521143]

約数ペア:

[(1, 281521143), (3, 93840381), (9, 31280127), (27, 10426709), (83, 3391821), (249, 1130607), (269, 1046547), (467, 602829), (747, 376869), (807, 348849), (1401, 200943), (2241, 125623), (2421, 116283), (4203, 66981), (7263, 38761), (12609, 22327)]