42172083

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{7333}}^1$

素因数の和:7416

約数の個数: 20

約数和(自身を含む): 63893808

約数和(自身を除く): 21721725

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 7333, 21999, 65997, 197991, 520643, 593973, 1561929, 4685787, 14057361, 42172083]

約数ペア:

[(1, 42172083), (3, 14057361), (9, 4685787), (27, 1561929), (71, 593973), (81, 520643), (213, 197991), (639, 65997), (1917, 21999), (5751, 7333)]