54791991

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 89190400

約数和(自身を除く): 34398409

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 127, 171, 261, 381, 513, 551, 783, 841, 1143, 1653, 2413, 2523, 3429, 3683, 4959, 7239, 7569, 11049, 14877, 15979, 21717, 22707, 33147, 47937, 65151, 69977, 99441, 106807, 143811, 209931, 320421, 431433, 629793, 961263, 1889379, 2029333, 2883789, 6087999, 18263997, 54791991]

約数ペア:

[(1, 54791991), (3, 18263997), (9, 6087999), (19, 2883789), (27, 2029333), (29, 1889379), (57, 961263), (87, 629793), (127, 431433), (171, 320421), (261, 209931), (381, 143811), (513, 106807), (551, 99441), (783, 69977), (841, 65151), (1143, 47937), (1653, 33147), (2413, 22707), (2523, 21717), (3429, 15979), (3683, 14877), (4959, 11049), (7239, 7569)]