957281409

素因数分解:

$3^4\times 7^1\times {\mathrm{1688327}}^1$

素因数の和:1688346

約数の個数: 20

約数和(自身を含む): 1634301504

約数和(自身を除く): 677020095

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1688327, 5064981, 11818289, 15194943, 35454867, 45584829, 106364601, 136754487, 319093803, 957281409]

約数ペア:

[(1, 957281409), (3, 319093803), (7, 136754487), (9, 106364601), (21, 45584829), (27, 35454867), (63, 15194943), (81, 11818289), (189, 5064981), (567, 1688327)]