39778011

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 74902464

約数和(自身を除く): 35124453

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 2857, 4641, 8571, 13923, 19999, 25713, 37141, 48569, 59997, 111423, 145707, 179991, 259987, 334269, 339983, 437121, 631397, 779961, 1019949, 1894191, 2339883, 3059847, 4419779, 5682573, 13259337, 39778011]

約数ペア:

[(1, 39778011), (3, 13259337), (7, 5682573), (9, 4419779), (13, 3059847), (17, 2339883), (21, 1894191), (39, 1019949), (51, 779961), (63, 631397), (91, 437121), (117, 339983), (119, 334269), (153, 259987), (221, 179991), (273, 145707), (357, 111423), (663, 59997), (819, 48569), (1071, 37141), (1547, 25713), (1989, 19999), (2857, 13923), (4641, 8571)]