4267647

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 40

約数和(自身を含む): 6969600

約数和(自身を除く): 2701953

約数列:

[1, 3, 9, 19, 27, 47, 57, 59, 81, 141, 171, 177, 423, 513, 531, 893, 1121, 1269, 1539, 1593, 2679, 2773, 3363, 3807, 4779, 8037, 8319, 10089, 24111, 24957, 30267, 52687, 72333, 74871, 90801, 158061, 224613, 474183, 1422549, 4267647]

約数ペア:

[(1, 4267647), (3, 1422549), (9, 474183), (19, 224613), (27, 158061), (47, 90801), (57, 74871), (59, 72333), (81, 52687), (141, 30267), (171, 24957), (177, 24111), (423, 10089), (513, 8319), (531, 8037), (893, 4779), (1121, 3807), (1269, 3363), (1539, 2773), (1593, 2679)]