260539671

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{2693}}^1$

素因数の和:2991

約数の個数: 32

約数和(自身を含む): 422074368

約数和(自身を除く): 161534697

約数列:

[1, 3, 7, 17, 21, 51, 119, 271, 357, 813, 1897, 2693, 4607, 5691, 8079, 13821, 18851, 32249, 45781, 56553, 96747, 137343, 320467, 729803, 961401, 2189409, 5108621, 12406651, 15325863, 37219953, 86846557, 260539671]

約数ペア:

[(1, 260539671), (3, 86846557), (7, 37219953), (17, 15325863), (21, 12406651), (51, 5108621), (119, 2189409), (271, 961401), (357, 729803), (813, 320467), (1897, 137343), (2693, 96747), (4607, 56553), (5691, 45781), (8079, 32249), (13821, 18851)]