207921681

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 349672960

約数和(自身を除く): 141751279

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 121, 279, 297, 341, 363, 837, 1023, 1089, 2053, 3069, 3267, 3751, 6159, 9207, 11253, 18477, 22583, 33759, 55431, 63643, 67749, 101277, 190929, 203247, 248413, 572787, 609741, 700073, 745239, 1718361, 2100219, 2235717, 6300657, 6707151, 7700803, 18901971, 23102409, 69307227, 207921681]

約数ペア:

[(1, 207921681), (3, 69307227), (9, 23102409), (11, 18901971), (27, 7700803), (31, 6707151), (33, 6300657), (93, 2235717), (99, 2100219), (121, 1718361), (279, 745239), (297, 700073), (341, 609741), (363, 572787), (837, 248413), (1023, 203247), (1089, 190929), (2053, 101277), (3069, 67749), (3267, 63643), (3751, 55431), (6159, 33759), (9207, 22583), (11253, 18477)]