78225777

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3259}}^1$

素因数の和:3402

約数の個数: 32

約数和(自身を含む): 133529600

約数和(自身を除く): 55303823

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 3259, 3429, 8001, 9777, 22813, 24003, 29331, 68439, 87993, 205317, 413893, 615951, 1241679, 2897251, 3725037, 8691753, 11175111, 26075259, 78225777]

約数ペア:

[(1, 78225777), (3, 26075259), (7, 11175111), (9, 8691753), (21, 3725037), (27, 2897251), (63, 1241679), (127, 615951), (189, 413893), (381, 205317), (889, 87993), (1143, 68439), (2667, 29331), (3259, 24003), (3429, 22813), (8001, 9777)]