12159981

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 20217600

約数和(自身を除く): 8057619

約数列:

[1, 3, 9, 17, 19, 47, 51, 57, 89, 141, 153, 171, 267, 323, 423, 799, 801, 893, 969, 1513, 1691, 2397, 2679, 2907, 4183, 4539, 5073, 7191, 8037, 12549, 13617, 15181, 15219, 28747, 37647, 45543, 71111, 79477, 86241, 136629, 213333, 238431, 258723, 639999, 715293, 1351109, 4053327, 12159981]

約数ペア:

[(1, 12159981), (3, 4053327), (9, 1351109), (17, 715293), (19, 639999), (47, 258723), (51, 238431), (57, 213333), (89, 136629), (141, 86241), (153, 79477), (171, 71111), (267, 45543), (323, 37647), (423, 28747), (799, 15219), (801, 15181), (893, 13617), (969, 12549), (1513, 8037), (1691, 7191), (2397, 5073), (2679, 4539), (2907, 4183)]