8345355

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 13989888

約数和(自身を除く): 5644533

約数列:

[1, 3, 5, 15, 31, 93, 131, 137, 155, 393, 411, 465, 655, 685, 1965, 2055, 4061, 4247, 12183, 12741, 17947, 20305, 21235, 53841, 60915, 63705, 89735, 269205, 556357, 1669071, 2781785, 8345355]

約数ペア:

[(1, 8345355), (3, 2781785), (5, 1669071), (15, 556357), (31, 269205), (93, 89735), (131, 63705), (137, 60915), (155, 53841), (393, 21235), (411, 20305), (465, 17947), (655, 12741), (685, 12183), (1965, 4247), (2055, 4061)]