165724137

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:707

約数の個数: 40

約数和(自身を含む): 262231200

約数和(自身を除く): 96507063

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 257, 419, 513, 771, 1257, 1539, 2313, 3771, 4883, 6939, 7961, 11313, 14649, 20817, 23883, 33939, 43947, 71649, 107683, 131841, 214947, 323049, 395523, 644841, 969147, 2045977, 2907441, 6137931, 8722323, 18413793, 55241379, 165724137]

約数ペア:

[(1, 165724137), (3, 55241379), (9, 18413793), (19, 8722323), (27, 6137931), (57, 2907441), (81, 2045977), (171, 969147), (257, 644841), (419, 395523), (513, 323049), (771, 214947), (1257, 131841), (1539, 107683), (2313, 71649), (3771, 43947), (4883, 33939), (6939, 23883), (7961, 20817), (11313, 14649)]