30821229

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{13121}}^1$

素因数の和:13162

約数の個数: 20

約数和(自身を含む): 47632860

約数和(自身を除く): 16811631

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 13121, 39363, 118089, 354267, 380509, 1062801, 1141527, 3424581, 10273743, 30821229]

約数ペア:

[(1, 30821229), (3, 10273743), (9, 3424581), (27, 1141527), (29, 1062801), (81, 380509), (87, 354267), (261, 118089), (783, 39363), (2349, 13121)]