20152125

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{853}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 42631680

約数和(自身を除く): 22479555

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 175, 189, 225, 315, 375, 525, 675, 853, 875, 945, 1125, 1575, 2559, 2625, 3375, 4265, 4725, 5971, 7677, 7875, 12795, 17913, 21325, 23031, 23625, 29855, 38385, 53739, 63975, 89565, 106625, 115155, 149275, 161217, 191925, 268695, 319875, 447825, 575775, 746375, 806085, 959625, 1343475, 2239125, 2878875, 4030425, 6717375, 20152125]

約数ペア:

[(1, 20152125), (3, 6717375), (5, 4030425), (7, 2878875), (9, 2239125), (15, 1343475), (21, 959625), (25, 806085), (27, 746375), (35, 575775), (45, 447825), (63, 319875), (75, 268695), (105, 191925), (125, 161217), (135, 149275), (175, 115155), (189, 106625), (225, 89565), (315, 63975), (375, 53739), (525, 38385), (675, 29855), (853, 23625), (875, 23031), (945, 21325), (1125, 17913), (1575, 12795), (2559, 7875), (2625, 7677), (3375, 5971), (4265, 4725)]