81916317

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{56533}}^1$

素因数の和:56569

約数の個数: 24

約数和(自身を含む): 141108864

約数和(自身を除く): 59192547

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 56533, 169599, 395731, 508797, 1187193, 1300259, 3561579, 3900777, 9101813, 11702331, 27305439, 81916317]

約数ペア:

[(1, 81916317), (3, 27305439), (7, 11702331), (9, 9101813), (21, 3900777), (23, 3561579), (63, 1300259), (69, 1187193), (161, 508797), (207, 395731), (483, 169599), (1449, 56533)]