55320057

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 95477760

約数和(自身を除く): 40157703

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 73, 117, 127, 153, 219, 221, 351, 381, 459, 657, 663, 949, 1143, 1241, 1651, 1971, 1989, 2159, 2847, 3429, 3723, 4953, 5967, 6477, 8541, 9271, 11169, 14859, 16133, 19431, 25623, 27813, 28067, 33507, 44577, 48399, 58293, 83439, 84201, 120523, 145197, 157607, 250317, 252603, 361569, 435591, 472821, 757809, 1084707, 1418463, 2048891, 3254121, 4255389, 6146673, 18440019, 55320057]

約数ペア:

[(1, 55320057), (3, 18440019), (9, 6146673), (13, 4255389), (17, 3254121), (27, 2048891), (39, 1418463), (51, 1084707), (73, 757809), (117, 472821), (127, 435591), (153, 361569), (219, 252603), (221, 250317), (351, 157607), (381, 145197), (459, 120523), (657, 84201), (663, 83439), (949, 58293), (1143, 48399), (1241, 44577), (1651, 33507), (1971, 28067), (1989, 27813), (2159, 25623), (2847, 19431), (3429, 16133), (3723, 14859), (4953, 11169), (5967, 9271), (6477, 8541)]