81725103

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 131245920

約数和(自身を除く): 49520817

約数列:

[1, 3, 9, 17, 29, 51, 87, 113, 153, 163, 261, 339, 489, 493, 1017, 1467, 1479, 1921, 2771, 3277, 4437, 4727, 5763, 8313, 9831, 14181, 17289, 18419, 24939, 29493, 42543, 55257, 55709, 80359, 165771, 167127, 241077, 313123, 501381, 534151, 723231, 939369, 1602453, 2818107, 4807359, 9080567, 27241701, 81725103]

約数ペア:

[(1, 81725103), (3, 27241701), (9, 9080567), (17, 4807359), (29, 2818107), (51, 1602453), (87, 939369), (113, 723231), (153, 534151), (163, 501381), (261, 313123), (339, 241077), (489, 167127), (493, 165771), (1017, 80359), (1467, 55709), (1479, 55257), (1921, 42543), (2771, 29493), (3277, 24939), (4437, 18419), (4727, 17289), (5763, 14181), (8313, 9831)]