291239529

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{2351}}^1$

素因数の和:2725

約数の個数: 32

約数和(自身を含む): 471453696

約数和(自身を除く): 180214167

約数列:

[1, 3, 7, 17, 21, 51, 119, 347, 357, 1041, 2351, 2429, 5899, 7053, 7287, 16457, 17697, 39967, 41293, 49371, 119901, 123879, 279769, 815797, 839307, 2447391, 5710579, 13868549, 17131737, 41605647, 97079843, 291239529]

約数ペア:

[(1, 291239529), (3, 97079843), (7, 41605647), (17, 17131737), (21, 13868549), (51, 5710579), (119, 2447391), (347, 839307), (357, 815797), (1041, 279769), (2351, 123879), (2429, 119901), (5899, 49371), (7053, 41293), (7287, 39967), (16457, 17697)]