2180894841

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{1087}}^1\times {\mathrm{3911}}^1$

素因数の和:5026

約数の個数: 32

約数和(自身を含む): 3405004800

約数和(自身を除く): 1224109959

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 1087, 3261, 3911, 9783, 11733, 20653, 29349, 35199, 61959, 74309, 105597, 185877, 222927, 557631, 668781, 2006343, 4251257, 12753771, 38261313, 80773883, 114783939, 242321649, 726964947, 2180894841]

約数ペア:

[(1, 2180894841), (3, 726964947), (9, 242321649), (19, 114783939), (27, 80773883), (57, 38261313), (171, 12753771), (513, 4251257), (1087, 2006343), (3261, 668781), (3911, 557631), (9783, 222927), (11733, 185877), (20653, 105597), (29349, 74309), (35199, 61959)]