28153983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 47738880

約数和(自身を除く): 19584897

約数列:

[1, 3, 11, 13, 29, 31, 33, 39, 73, 87, 93, 143, 219, 319, 341, 377, 403, 429, 803, 899, 949, 957, 1023, 1131, 1209, 2117, 2263, 2409, 2697, 2847, 4147, 4433, 6351, 6789, 9889, 10439, 11687, 12441, 13299, 23287, 24893, 27521, 29419, 29667, 31317, 35061, 65627, 69861, 74679, 82563, 88257, 128557, 196881, 302731, 323609, 385671, 721897, 853151, 908193, 970827, 2165691, 2559453, 9384661, 28153983]

約数ペア:

[(1, 28153983), (3, 9384661), (11, 2559453), (13, 2165691), (29, 970827), (31, 908193), (33, 853151), (39, 721897), (73, 385671), (87, 323609), (93, 302731), (143, 196881), (219, 128557), (319, 88257), (341, 82563), (377, 74679), (403, 69861), (429, 65627), (803, 35061), (899, 31317), (949, 29667), (957, 29419), (1023, 27521), (1131, 24893), (1209, 23287), (2117, 13299), (2263, 12441), (2409, 11687), (2697, 10439), (2847, 9889), (4147, 6789), (4433, 6351)]