12720105

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1597}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 23011200

約数和(自身を除く): 10291095

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 1597, 2655, 4791, 7965, 7985, 14373, 23955, 43119, 71865, 94223, 215595, 282669, 471115, 848007, 1413345, 2544021, 4240035, 12720105]

約数ペア:

[(1, 12720105), (3, 4240035), (5, 2544021), (9, 1413345), (15, 848007), (27, 471115), (45, 282669), (59, 215595), (135, 94223), (177, 71865), (295, 43119), (531, 23955), (885, 14373), (1593, 7985), (1597, 7965), (2655, 4791)]