40720797

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 68402880

約数和(自身を除く): 27682083

約数列:

[1, 3, 9, 13, 17, 39, 51, 59, 117, 153, 177, 221, 347, 531, 663, 767, 1003, 1041, 1989, 2301, 3009, 3123, 4511, 5899, 6903, 9027, 13039, 13533, 17697, 20473, 39117, 40599, 53091, 61419, 76687, 117351, 184257, 230061, 266149, 348041, 690183, 798447, 1044123, 2395341, 3132369, 4524533, 13573599, 40720797]

約数ペア:

[(1, 40720797), (3, 13573599), (9, 4524533), (13, 3132369), (17, 2395341), (39, 1044123), (51, 798447), (59, 690183), (117, 348041), (153, 266149), (177, 230061), (221, 184257), (347, 117351), (531, 76687), (663, 61419), (767, 53091), (1003, 40599), (1041, 39117), (1989, 20473), (2301, 17697), (3009, 13533), (3123, 13039), (4511, 9027), (5899, 6903)]