861003

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 1505280

約数和(自身を除く): 644277

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 223, 297, 351, 429, 669, 1287, 2007, 2453, 2899, 3861, 6021, 7359, 8697, 22077, 26091, 31889, 66231, 78273, 95667, 287001, 861003]

約数ペア:

[(1, 861003), (3, 287001), (9, 95667), (11, 78273), (13, 66231), (27, 31889), (33, 26091), (39, 22077), (99, 8697), (117, 7359), (143, 6021), (223, 3861), (297, 2899), (351, 2453), (429, 2007), (669, 1287)]