40012461

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{25999}}^1$

素因数の和:26030

約数の個数: 20

約数和(自身を含む): 62920000

約数和(自身を除く): 22907539

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 25999, 77997, 233991, 493981, 701973, 1481943, 2105919, 4445829, 13337487, 40012461]

約数ペア:

[(1, 40012461), (3, 13337487), (9, 4445829), (19, 2105919), (27, 1481943), (57, 701973), (81, 493981), (171, 233991), (513, 77997), (1539, 25999)]