16876431

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 80

約数和(自身を含む): 31223808

約数和(自身を除く): 14347377

約数列:

[1, 3, 9, 11, 13, 27, 31, 33, 39, 47, 81, 93, 99, 117, 141, 143, 279, 297, 341, 351, 403, 423, 429, 517, 611, 837, 891, 1023, 1053, 1209, 1269, 1287, 1457, 1551, 1833, 2511, 3069, 3627, 3807, 3861, 4371, 4433, 4653, 5499, 6721, 9207, 10881, 11583, 13113, 13299, 13959, 16027, 16497, 18941, 20163, 27621, 32643, 39339, 39897, 41877, 48081, 49491, 56823, 60489, 118017, 119691, 144243, 170469, 181467, 208351, 359073, 432729, 511407, 544401, 625053, 1298187, 1534221, 1875159, 5625477, 16876431]

約数ペア:

[(1, 16876431), (3, 5625477), (9, 1875159), (11, 1534221), (13, 1298187), (27, 625053), (31, 544401), (33, 511407), (39, 432729), (47, 359073), (81, 208351), (93, 181467), (99, 170469), (117, 144243), (141, 119691), (143, 118017), (279, 60489), (297, 56823), (341, 49491), (351, 48081), (403, 41877), (423, 39897), (429, 39339), (517, 32643), (611, 27621), (837, 20163), (891, 18941), (1023, 16497), (1053, 16027), (1209, 13959), (1269, 13299), (1287, 13113), (1457, 11583), (1551, 10881), (1833, 9207), (2511, 6721), (3069, 5499), (3627, 4653), (3807, 4433), (3861, 4371)]