221820117

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{929}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 321408000

約数和(自身を除く): 99587883

約数列:

[1, 3, 19, 57, 59, 71, 177, 213, 929, 1121, 1349, 2787, 3363, 4047, 4189, 12567, 17651, 52953, 54811, 65959, 79591, 164433, 197877, 238773, 1041409, 1253221, 3124227, 3759663, 3891581, 11674743, 73940039, 221820117]

約数ペア:

[(1, 221820117), (3, 73940039), (19, 11674743), (57, 3891581), (59, 3759663), (71, 3124227), (177, 1253221), (213, 1041409), (929, 238773), (1121, 197877), (1349, 164433), (2787, 79591), (3363, 65959), (4047, 54811), (4189, 52953), (12567, 17651)]