30787785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2273}}^1$

素因数の和:2334

約数の個数: 48

約数和(自身を含む): 62434944

約数和(自身を除く): 31647159

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2273, 2709, 4515, 6819, 11365, 13545, 15911, 20457, 34095, 47733, 79555, 97739, 102285, 143199, 238665, 293217, 488695, 684173, 715995, 879651, 1466085, 2052519, 3420865, 4398255, 6157557, 10262595, 30787785]

約数ペア:

[(1, 30787785), (3, 10262595), (5, 6157557), (7, 4398255), (9, 3420865), (15, 2052519), (21, 1466085), (35, 879651), (43, 715995), (45, 684173), (63, 488695), (105, 293217), (129, 238665), (215, 143199), (301, 102285), (315, 97739), (387, 79555), (645, 47733), (903, 34095), (1505, 20457), (1935, 15911), (2273, 13545), (2709, 11365), (4515, 6819)]