25879203

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 46110720

約数和(自身を除く): 20231517

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 631, 651, 837, 1323, 1519, 1893, 1953, 4417, 4557, 5679, 5859, 13251, 13671, 17037, 19561, 30919, 39753, 41013, 58683, 92757, 119259, 136927, 176049, 278271, 410781, 528147, 834813, 958489, 1232343, 2875467, 3697029, 8626401, 25879203]

約数ペア:

[(1, 25879203), (3, 8626401), (7, 3697029), (9, 2875467), (21, 1232343), (27, 958489), (31, 834813), (49, 528147), (63, 410781), (93, 278271), (147, 176049), (189, 136927), (217, 119259), (279, 92757), (441, 58683), (631, 41013), (651, 39753), (837, 30919), (1323, 19561), (1519, 17037), (1893, 13671), (1953, 13251), (4417, 5859), (4557, 5679)]