141681281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 178536960

約数和(自身を除く): 36855679

約数列:

[1, 7, 17, 41, 71, 119, 287, 409, 497, 697, 1207, 2863, 2911, 4879, 6953, 8449, 16769, 20377, 29039, 48671, 49487, 117383, 203273, 285073, 346409, 493663, 1190599, 1995511, 3455641, 8334193, 20240183, 141681281]

約数ペア:

[(1, 141681281), (7, 20240183), (17, 8334193), (41, 3455641), (71, 1995511), (119, 1190599), (287, 493663), (409, 346409), (497, 285073), (697, 203273), (1207, 117383), (2863, 49487), (2911, 48671), (4879, 29039), (6953, 20377), (8449, 16769)]