15193899

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 26267648

約数和(自身を除く): 11073749

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 211, 381, 567, 633, 889, 1143, 1477, 1899, 2667, 3429, 4431, 5697, 8001, 10287, 13293, 17091, 24003, 26797, 39879, 72009, 80391, 119637, 187579, 241173, 562737, 723519, 1688211, 2170557, 5064633, 15193899]

約数ペア:

[(1, 15193899), (3, 5064633), (7, 2170557), (9, 1688211), (21, 723519), (27, 562737), (63, 241173), (81, 187579), (127, 119637), (189, 80391), (211, 72009), (381, 39879), (567, 26797), (633, 24003), (889, 17091), (1143, 13293), (1477, 10287), (1899, 8001), (2667, 5697), (3429, 4431)]