513703215

素因数分解:

$3^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2693}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 929623968

約数和(自身を除く): 415920753

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 157, 243, 405, 471, 785, 1215, 1413, 2355, 2693, 4239, 7065, 8079, 12717, 13465, 21195, 24237, 38151, 40395, 63585, 72711, 121185, 190755, 218133, 363555, 422801, 654399, 1090665, 1268403, 2114005, 3271995, 3805209, 6342015, 11415627, 19026045, 34246881, 57078135, 102740643, 171234405, 513703215]

約数ペア:

[(1, 513703215), (3, 171234405), (5, 102740643), (9, 57078135), (15, 34246881), (27, 19026045), (45, 11415627), (81, 6342015), (135, 3805209), (157, 3271995), (243, 2114005), (405, 1268403), (471, 1090665), (785, 654399), (1215, 422801), (1413, 363555), (2355, 218133), (2693, 190755), (4239, 121185), (7065, 72711), (8079, 63585), (12717, 40395), (13465, 38151), (21195, 24237)]