72017355

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 125992800

約数和(自身を除く): 53975445

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 289, 449, 555, 629, 867, 1347, 1445, 1887, 2245, 3145, 4335, 6735, 7633, 9435, 10693, 16613, 22899, 32079, 38165, 49839, 53465, 83065, 114495, 129761, 160395, 249195, 282421, 389283, 648805, 847263, 1412105, 1946415, 4236315, 4801157, 14403471, 24005785, 72017355]

約数ペア:

[(1, 72017355), (3, 24005785), (5, 14403471), (15, 4801157), (17, 4236315), (37, 1946415), (51, 1412105), (85, 847263), (111, 648805), (185, 389283), (255, 282421), (289, 249195), (449, 160395), (555, 129761), (629, 114495), (867, 83065), (1347, 53465), (1445, 49839), (1887, 38165), (2245, 32079), (3145, 22899), (4335, 16613), (6735, 10693), (7633, 9435)]