15662521785

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1\times {\mathrm{21031}}^1$

素因数の和:21549

約数の個数: 32

約数和(自身を含む): 25319162880

約数和(自身を除く): 9656641095

約数列:

[1, 3, 5, 15, 131, 379, 393, 655, 1137, 1895, 1965, 5685, 21031, 49649, 63093, 105155, 148947, 248245, 315465, 744735, 2755061, 7970749, 8265183, 13775305, 23912247, 39853745, 41325915, 119561235, 1044168119, 3132504357, 5220840595, 15662521785]

約数ペア:

[(1, 15662521785), (3, 5220840595), (5, 3132504357), (15, 1044168119), (131, 119561235), (379, 41325915), (393, 39853745), (655, 23912247), (1137, 13775305), (1895, 8265183), (1965, 7970749), (5685, 2755061), (21031, 744735), (49649, 315465), (63093, 248245), (105155, 148947)]