78880215

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 128537280

約数和(自身を除く): 49657065

約数列:

[1, 3, 5, 15, 113, 173, 269, 339, 519, 565, 807, 865, 1345, 1695, 2595, 4035, 19549, 30397, 46537, 58647, 91191, 97745, 139611, 151985, 232685, 293235, 455955, 698055, 5258681, 15776043, 26293405, 78880215]

約数ペア:

[(1, 78880215), (3, 26293405), (5, 15776043), (15, 5258681), (113, 698055), (173, 455955), (269, 293235), (339, 232685), (519, 151985), (565, 139611), (807, 97745), (865, 91191), (1345, 58647), (1695, 46537), (2595, 30397), (4035, 19549)]