16451739

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 26956800

約数和(自身を除く): 10505061

約数列:

[1, 3, 9, 19, 23, 47, 57, 69, 89, 141, 171, 207, 267, 423, 437, 801, 893, 1081, 1311, 1691, 2047, 2679, 3243, 3933, 4183, 5073, 6141, 8037, 9729, 12549, 15219, 18423, 20539, 37647, 38893, 61617, 79477, 96209, 116679, 184851, 238431, 288627, 350037, 715293, 865881, 1827971, 5483913, 16451739]

約数ペア:

[(1, 16451739), (3, 5483913), (9, 1827971), (19, 865881), (23, 715293), (47, 350037), (57, 288627), (69, 238431), (89, 184851), (141, 116679), (171, 96209), (207, 79477), (267, 61617), (423, 38893), (437, 37647), (801, 20539), (893, 18423), (1081, 15219), (1311, 12549), (1691, 9729), (2047, 8037), (2679, 6141), (3243, 5073), (3933, 4183)]