31212729

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{39863}}^1$

素因数の和:39901

約数の個数: 16

約数和(自身を含む): 47836800

約数和(自身を除く): 16624071

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 39863, 119589, 358767, 1076301, 1156027, 3468081, 10404243, 31212729]

約数ペア:

[(1, 31212729), (3, 10404243), (9, 3468081), (27, 1156027), (29, 1076301), (87, 358767), (261, 119589), (783, 39863)]