248971665

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{10771}}^1$

素因数の和:10869

約数の個数: 32

約数和(自身を含む): 421917696

約数和(自身を除く): 172946031

約数列:

[1, 3, 5, 15, 23, 67, 69, 115, 201, 335, 345, 1005, 1541, 4623, 7705, 10771, 23115, 32313, 53855, 161565, 247733, 721657, 743199, 1238665, 2164971, 3608285, 3715995, 10824855, 16598111, 49794333, 82990555, 248971665]

約数ペア:

[(1, 248971665), (3, 82990555), (5, 49794333), (15, 16598111), (23, 10824855), (67, 3715995), (69, 3608285), (115, 2164971), (201, 1238665), (335, 743199), (345, 721657), (1005, 247733), (1541, 161565), (4623, 53855), (7705, 32313), (10771, 23115)]