28254255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{619}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 48211200

約数和(自身を除く): 19956945

約数列:

[1, 3, 5, 15, 17, 51, 85, 179, 255, 537, 619, 895, 1857, 2685, 3043, 3095, 9129, 9285, 10523, 15215, 31569, 45645, 52615, 110801, 157845, 332403, 554005, 1662015, 1883617, 5650851, 9418085, 28254255]

約数ペア:

[(1, 28254255), (3, 9418085), (5, 5650851), (15, 1883617), (17, 1662015), (51, 554005), (85, 332403), (179, 157845), (255, 110801), (537, 52615), (619, 45645), (895, 31569), (1857, 15215), (2685, 10523), (3043, 9285), (3095, 9129)]