388682505

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{297841}}^1$

素因数の和:297881

約数の個数: 24

約数和(自身を含む): 696950280

約数和(自身を除く): 308267775

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 297841, 893523, 1489205, 2680569, 4467615, 8637389, 13402845, 25912167, 43186945, 77736501, 129560835, 388682505]

約数ペア:

[(1, 388682505), (3, 129560835), (5, 77736501), (9, 43186945), (15, 25912167), (29, 13402845), (45, 8637389), (87, 4467615), (145, 2680569), (261, 1489205), (435, 893523), (1305, 297841)]