28105755

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 46785600

約数和(自身を除く): 18679845

約数列:

[1, 3, 5, 15, 37, 89, 111, 185, 267, 445, 555, 569, 1335, 1707, 2845, 3293, 8535, 9879, 16465, 21053, 49395, 50641, 63159, 105265, 151923, 253205, 315795, 759615, 1873717, 5621151, 9368585, 28105755]

約数ペア:

[(1, 28105755), (3, 9368585), (5, 5621151), (15, 1873717), (37, 759615), (89, 315795), (111, 253205), (185, 151923), (267, 105265), (445, 63159), (555, 50641), (569, 49395), (1335, 21053), (1707, 16465), (2845, 9879), (3293, 8535)]