28620255

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 47355840

約数和(自身を除く): 18735585

約数列:

[1, 3, 5, 15, 41, 123, 173, 205, 269, 519, 615, 807, 865, 1345, 2595, 4035, 7093, 11029, 21279, 33087, 35465, 46537, 55145, 106395, 139611, 165435, 232685, 698055, 1908017, 5724051, 9540085, 28620255]

約数ペア:

[(1, 28620255), (3, 9540085), (5, 5724051), (15, 1908017), (41, 698055), (123, 232685), (173, 165435), (205, 139611), (269, 106395), (519, 55145), (615, 46537), (807, 35465), (865, 33087), (1345, 21279), (2595, 11029), (4035, 7093)]