25427061

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 42602560

約数和(自身を除く): 17175499

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 121, 129, 181, 297, 363, 387, 473, 543, 1089, 1161, 1419, 1629, 1991, 3267, 4257, 4887, 5203, 5973, 7783, 12771, 15609, 17919, 21901, 23349, 46827, 53757, 65703, 70047, 85613, 140481, 197109, 210141, 256839, 591327, 770517, 941743, 2311551, 2825229, 8475687, 25427061]

約数ペア:

[(1, 25427061), (3, 8475687), (9, 2825229), (11, 2311551), (27, 941743), (33, 770517), (43, 591327), (99, 256839), (121, 210141), (129, 197109), (181, 140481), (297, 85613), (363, 70047), (387, 65703), (473, 53757), (543, 46827), (1089, 23349), (1161, 21901), (1419, 17919), (1629, 15609), (1991, 12771), (3267, 7783), (4257, 5973), (4887, 5203)]