16207905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{947}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 29850624

約数和(自身を除く): 13642719

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 163, 489, 815, 947, 1141, 2445, 2841, 3423, 4735, 5705, 6629, 14205, 17115, 19887, 33145, 99435, 154361, 463083, 771805, 1080527, 2315415, 3241581, 5402635, 16207905]

約数ペア:

[(1, 16207905), (3, 5402635), (5, 3241581), (7, 2315415), (15, 1080527), (21, 771805), (35, 463083), (105, 154361), (163, 99435), (489, 33145), (815, 19887), (947, 17115), (1141, 14205), (2445, 6629), (2841, 5705), (3423, 4735)]