17989587

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 35251200

約数和(自身を除く): 17261613

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 51, 63, 77, 99, 119, 153, 187, 189, 231, 297, 357, 459, 509, 561, 693, 1071, 1309, 1527, 1683, 2079, 3213, 3563, 3927, 4581, 5049, 5599, 8653, 10689, 11781, 13743, 16797, 25959, 32067, 35343, 39193, 50391, 60571, 77877, 95183, 96201, 117579, 151173, 181713, 233631, 285549, 352737, 545139, 666281, 856647, 1058211, 1635417, 1998843, 2569941, 5996529, 17989587]

約数ペア:

[(1, 17989587), (3, 5996529), (7, 2569941), (9, 1998843), (11, 1635417), (17, 1058211), (21, 856647), (27, 666281), (33, 545139), (51, 352737), (63, 285549), (77, 233631), (99, 181713), (119, 151173), (153, 117579), (187, 96201), (189, 95183), (231, 77877), (297, 60571), (357, 50391), (459, 39193), (509, 35343), (561, 32067), (693, 25959), (1071, 16797), (1309, 13743), (1527, 11781), (1683, 10689), (2079, 8653), (3213, 5599), (3563, 5049), (3927, 4581)]