680775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 1168080

約数和(自身を除く): 487305

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 313, 435, 725, 939, 1565, 2175, 4695, 7825, 9077, 23475, 27231, 45385, 136155, 226925, 680775]

約数ペア:

[(1, 680775), (3, 226925), (5, 136155), (15, 45385), (25, 27231), (29, 23475), (75, 9077), (87, 7825), (145, 4695), (313, 2175), (435, 1565), (725, 939)]