31747689

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 19470231

約数列:

[1, 3, 9, 19, 31, 53, 57, 93, 113, 159, 171, 279, 339, 477, 589, 1007, 1017, 1643, 1767, 2147, 3021, 3503, 4929, 5301, 5989, 6441, 9063, 10509, 14787, 17967, 19323, 31217, 31527, 53901, 66557, 93651, 113791, 185659, 199671, 280953, 341373, 556977, 599013, 1024119, 1670931, 3527521, 10582563, 31747689]

約数ペア:

[(1, 31747689), (3, 10582563), (9, 3527521), (19, 1670931), (31, 1024119), (53, 599013), (57, 556977), (93, 341373), (113, 280953), (159, 199671), (171, 185659), (279, 113791), (339, 93651), (477, 66557), (589, 53901), (1007, 31527), (1017, 31217), (1643, 19323), (1767, 17967), (2147, 14787), (3021, 10509), (3503, 9063), (4929, 6441), (5301, 5989)]