1293313281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{2539}}^1$

素因数の和:2945

約数の個数: 32

約数和(自身を含む): 1913412480

約数和(自身を除く): 620099199

約数列:

[1, 3, 13, 37, 39, 111, 353, 481, 1059, 1443, 2539, 4589, 7617, 13061, 13767, 33007, 39183, 93943, 99021, 169793, 281829, 509379, 896267, 1221259, 2688801, 3663777, 11651471, 33161879, 34954413, 99485637, 431104427, 1293313281]

約数ペア:

[(1, 1293313281), (3, 431104427), (13, 99485637), (37, 34954413), (39, 33161879), (111, 11651471), (353, 3663777), (481, 2688801), (1059, 1221259), (1443, 896267), (2539, 509379), (4589, 281829), (7617, 169793), (13061, 99021), (13767, 93943), (33007, 39183)]