39963885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 73543680

約数和(自身を除く): 33579795

約数列:

[1, 3, 5, 13, 15, 29, 37, 39, 65, 87, 111, 145, 185, 191, 195, 377, 435, 481, 555, 573, 955, 1073, 1131, 1443, 1885, 2405, 2483, 2865, 3219, 5365, 5539, 5655, 7067, 7215, 7449, 12415, 13949, 16095, 16617, 21201, 27695, 35335, 37245, 41847, 69745, 72007, 83085, 91871, 106005, 204943, 209235, 216021, 275613, 360035, 459355, 614829, 1024715, 1080105, 1378065, 2664259, 3074145, 7992777, 13321295, 39963885]

約数ペア:

[(1, 39963885), (3, 13321295), (5, 7992777), (13, 3074145), (15, 2664259), (29, 1378065), (37, 1080105), (39, 1024715), (65, 614829), (87, 459355), (111, 360035), (145, 275613), (185, 216021), (191, 209235), (195, 204943), (377, 106005), (435, 91871), (481, 83085), (555, 72007), (573, 69745), (955, 41847), (1073, 37245), (1131, 35335), (1443, 27695), (1885, 21201), (2405, 16617), (2483, 16095), (2865, 13949), (3219, 12415), (5365, 7449), (5539, 7215), (5655, 7067)]