90381459

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{64237}}^1$

素因数の和:64314

約数の個数: 16

約数和(自身を含む): 139781888

約数和(自身を除く): 49400429

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 64237, 192711, 449659, 1348977, 4303879, 12911637, 30127153, 90381459]

約数ペア:

[(1, 90381459), (3, 30127153), (7, 12911637), (21, 4303879), (67, 1348977), (201, 449659), (469, 192711), (1407, 64237)]