7217235

素因数分解:

$3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 12943680

約数和(自身を除く): 5726445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 193, 277, 579, 831, 965, 1385, 1737, 2493, 2895, 4155, 5211, 7479, 8685, 12465, 26055, 37395, 53461, 160383, 267305, 481149, 801915, 1443447, 2405745, 7217235]

約数ペア:

[(1, 7217235), (3, 2405745), (5, 1443447), (9, 801915), (15, 481149), (27, 267305), (45, 160383), (135, 53461), (193, 37395), (277, 26055), (579, 12465), (831, 8685), (965, 7479), (1385, 5211), (1737, 4155), (2493, 2895)]