2611905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 4451328

約数和(自身を除く): 1839423

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 137, 155, 205, 411, 465, 615, 685, 1271, 2055, 3813, 4247, 5617, 6355, 12741, 16851, 19065, 21235, 28085, 63705, 84255, 174127, 522381, 870635, 2611905]

約数ペア:

[(1, 2611905), (3, 870635), (5, 522381), (15, 174127), (31, 84255), (41, 63705), (93, 28085), (123, 21235), (137, 19065), (155, 16851), (205, 12741), (411, 6355), (465, 5617), (615, 4247), (685, 3813), (1271, 2055)]