15487983

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 27797760

約数和(自身を除く): 12309777

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 227, 361, 399, 513, 681, 1083, 1197, 1589, 2043, 2527, 3249, 3591, 4313, 4767, 6129, 7581, 9747, 12939, 14301, 22743, 30191, 38817, 42903, 68229, 81947, 90573, 116451, 245841, 271719, 573629, 737523, 815157, 1720887, 2212569, 5162661, 15487983]

約数ペア:

[(1, 15487983), (3, 5162661), (7, 2212569), (9, 1720887), (19, 815157), (21, 737523), (27, 573629), (57, 271719), (63, 245841), (133, 116451), (171, 90573), (189, 81947), (227, 68229), (361, 42903), (399, 38817), (513, 30191), (681, 22743), (1083, 14301), (1197, 12939), (1589, 9747), (2043, 7581), (2527, 6129), (3249, 4767), (3591, 4313)]