39642645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 78888960

約数和(自身を除く): 39246315

約数列:

[1, 3, 5, 7, 15, 19, 21, 31, 35, 57, 93, 95, 105, 133, 155, 217, 285, 399, 465, 589, 641, 651, 665, 1085, 1767, 1923, 1995, 2945, 3205, 3255, 4123, 4487, 8835, 9615, 12179, 12369, 13461, 19871, 20615, 22435, 36537, 59613, 60895, 61845, 67305, 85253, 99355, 139097, 182685, 255759, 298065, 377549, 417291, 426265, 695485, 1132647, 1278795, 1887745, 2086455, 2642843, 5663235, 7928529, 13214215, 39642645]

約数ペア:

[(1, 39642645), (3, 13214215), (5, 7928529), (7, 5663235), (15, 2642843), (19, 2086455), (21, 1887745), (31, 1278795), (35, 1132647), (57, 695485), (93, 426265), (95, 417291), (105, 377549), (133, 298065), (155, 255759), (217, 182685), (285, 139097), (399, 99355), (465, 85253), (589, 67305), (641, 61845), (651, 60895), (665, 59613), (1085, 36537), (1767, 22435), (1923, 20615), (1995, 19871), (2945, 13461), (3205, 12369), (3255, 12179), (4123, 9615), (4487, 8835)]