211575807

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{15641}}^1$

素因数の和:15820

約数の個数: 20

約数和(自身を含む): 317970576

約数和(自身を除く): 106394769

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 4509, 13527, 15641, 46923, 140769, 422307, 1266921, 2612047, 7836141, 23508423, 70525269, 211575807]

約数ペア:

[(1, 211575807), (3, 70525269), (9, 23508423), (27, 7836141), (81, 2612047), (167, 1266921), (501, 422307), (1503, 140769), (4509, 46923), (13527, 15641)]