28207935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 56347200

約数和(自身を除く): 28139265

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 149, 315, 447, 601, 745, 1043, 1341, 1803, 2235, 3005, 3129, 4207, 5215, 5409, 6705, 9015, 9387, 12621, 15645, 21035, 27045, 37863, 46935, 63105, 89549, 189315, 268647, 447745, 626843, 805941, 1343235, 1880529, 3134215, 4029705, 5641587, 9402645, 28207935]

約数ペア:

[(1, 28207935), (3, 9402645), (5, 5641587), (7, 4029705), (9, 3134215), (15, 1880529), (21, 1343235), (35, 805941), (45, 626843), (63, 447745), (105, 268647), (149, 189315), (315, 89549), (447, 63105), (601, 46935), (745, 37863), (1043, 27045), (1341, 21035), (1803, 15645), (2235, 12621), (3005, 9387), (3129, 9015), (4207, 6705), (5215, 5409)]