212401581

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{190837}}^1$

素因数の和:190900

約数の個数: 16

約数和(自身を含む): 329768064

約数和(自身を除く): 117366483

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 190837, 572511, 1335859, 4007577, 10114361, 30343083, 70800527, 212401581]

約数ペア:

[(1, 212401581), (3, 70800527), (7, 30343083), (21, 10114361), (53, 4007577), (159, 1335859), (371, 572511), (1113, 190837)]