28212975

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{853}}^1$

素因数の和:886

約数の個数: 72

約数和(自身を含む): 60360720

約数和(自身を除く): 32147745

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 225, 245, 315, 441, 525, 675, 735, 853, 945, 1225, 1323, 1575, 2205, 2559, 3675, 4265, 4725, 5971, 6615, 7677, 11025, 12795, 17913, 21325, 23031, 29855, 33075, 38385, 41797, 53739, 63975, 89565, 115155, 125391, 149275, 161217, 191925, 208985, 268695, 376173, 447825, 575775, 626955, 806085, 1044925, 1128519, 1343475, 1880865, 3134775, 4030425, 5642595, 9404325, 28212975]

約数ペア:

[(1, 28212975), (3, 9404325), (5, 5642595), (7, 4030425), (9, 3134775), (15, 1880865), (21, 1343475), (25, 1128519), (27, 1044925), (35, 806085), (45, 626955), (49, 575775), (63, 447825), (75, 376173), (105, 268695), (135, 208985), (147, 191925), (175, 161217), (189, 149275), (225, 125391), (245, 115155), (315, 89565), (441, 63975), (525, 53739), (675, 41797), (735, 38385), (853, 33075), (945, 29855), (1225, 23031), (1323, 21325), (1575, 17913), (2205, 12795), (2559, 11025), (3675, 7677), (4265, 6615), (4725, 5971)]