214915911

素因数分解:

$3^1\times 7^4\times {\mathrm{29837}}^1$

素因数の和:29868

約数の個数: 20

約数和(自身を含む): 334304952

約数和(自身を除く): 119389041

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 29837, 89511, 208859, 626577, 1462013, 4386039, 10234091, 30702273, 71638637, 214915911]

約数ペア:

[(1, 214915911), (3, 71638637), (7, 30702273), (21, 10234091), (49, 4386039), (147, 1462013), (343, 626577), (1029, 208859), (2401, 89511), (7203, 29837)]