212370309

素因数分解:

$3^3\times {\mathrm{991}}^1\times {\mathrm{7937}}^1$

素因数の和:8937

約数の個数: 16

約数和(自身を含む): 314979840

約数和(自身を除く): 102609531

約数列:

[1, 3, 9, 27, 991, 2973, 7937, 8919, 23811, 26757, 71433, 214299, 7865567, 23596701, 70790103, 212370309]

約数ペア:

[(1, 212370309), (3, 70790103), (9, 23596701), (27, 7865567), (991, 214299), (2973, 71433), (7937, 26757), (8919, 23811)]