821625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{313}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 1567488

約数和(自身を除く): 745863

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 313, 375, 525, 875, 939, 1565, 2191, 2625, 4695, 6573, 7825, 10955, 23475, 32865, 39125, 54775, 117375, 164325, 273875, 821625]

約数ペア:

[(1, 821625), (3, 273875), (5, 164325), (7, 117375), (15, 54775), (21, 39125), (25, 32865), (35, 23475), (75, 10955), (105, 7825), (125, 6573), (175, 4695), (313, 2625), (375, 2191), (525, 1565), (875, 939)]