618187857

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{13711}}^1$

素因数の和:13853

約数の個数: 32

約数和(自身を含む): 1000427520

約数和(自身を除く): 382239663

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 791, 2147, 2373, 6441, 13711, 15029, 41133, 45087, 95977, 260509, 287931, 781527, 1549343, 1823563, 4648029, 5470689, 10845401, 29437517, 32536203, 88312551, 206062619, 618187857]

約数ペア:

[(1, 618187857), (3, 206062619), (7, 88312551), (19, 32536203), (21, 29437517), (57, 10845401), (113, 5470689), (133, 4648029), (339, 1823563), (399, 1549343), (791, 781527), (2147, 287931), (2373, 260509), (6441, 95977), (13711, 45087), (15029, 41133)]