17920335

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 30228480

約数和(自身を除く): 12308145

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 345, 381, 409, 635, 1227, 1905, 2045, 2921, 6135, 8763, 9407, 14605, 28221, 43815, 47035, 51943, 141105, 155829, 259715, 779145, 1194689, 3584067, 5973445, 17920335]

約数ペア:

[(1, 17920335), (3, 5973445), (5, 3584067), (15, 1194689), (23, 779145), (69, 259715), (115, 155829), (127, 141105), (345, 51943), (381, 47035), (409, 43815), (635, 28221), (1227, 14605), (1905, 9407), (2045, 8763), (2921, 6135)]