28007385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{743}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 23417895

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 359, 743, 1077, 1795, 2229, 2513, 3715, 5201, 5385, 7539, 11145, 12565, 15603, 26005, 37695, 78015, 266737, 800211, 1333685, 1867159, 4001055, 5601477, 9335795, 28007385]

約数ペア:

[(1, 28007385), (3, 9335795), (5, 5601477), (7, 4001055), (15, 1867159), (21, 1333685), (35, 800211), (105, 266737), (359, 78015), (743, 37695), (1077, 26005), (1795, 15603), (2229, 12565), (2513, 11145), (3715, 7539), (5201, 5385)]