31680639

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{7669}}^1$

素因数の和:7701

約数の個数: 24

約数和(自身を含む): 50253840

約数和(自身を除く): 18573201

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 7669, 23007, 69021, 130373, 207063, 391119, 621189, 1173357, 1863567, 3520071, 10560213, 31680639]

約数ペア:

[(1, 31680639), (3, 10560213), (9, 3520071), (17, 1863567), (27, 1173357), (51, 621189), (81, 391119), (153, 207063), (243, 130373), (459, 69021), (1377, 23007), (4131, 7669)]