81643095

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 162751680

約数和(自身を除く): 81108585

約数列:

[1, 3, 5, 9, 15, 17, 19, 41, 45, 51, 57, 85, 95, 123, 137, 153, 171, 205, 255, 285, 323, 369, 411, 615, 685, 697, 765, 779, 855, 969, 1233, 1615, 1845, 2055, 2091, 2329, 2337, 2603, 2907, 3485, 3895, 4845, 5617, 6165, 6273, 6987, 7011, 7809, 10455, 11645, 11685, 13015, 13243, 14535, 16851, 20961, 23427, 28085, 31365, 34935, 35055, 39045, 39729, 44251, 50553, 66215, 84255, 95489, 104805, 106723, 117135, 119187, 132753, 198645, 221255, 252765, 286467, 320169, 398259, 477445, 533615, 595935, 663765, 859401, 960507, 1432335, 1600845, 1814291, 1991295, 4297005, 4802535, 5442873, 9071455, 16328619, 27214365, 81643095]

約数ペア:

[(1, 81643095), (3, 27214365), (5, 16328619), (9, 9071455), (15, 5442873), (17, 4802535), (19, 4297005), (41, 1991295), (45, 1814291), (51, 1600845), (57, 1432335), (85, 960507), (95, 859401), (123, 663765), (137, 595935), (153, 533615), (171, 477445), (205, 398259), (255, 320169), (285, 286467), (323, 252765), (369, 221255), (411, 198645), (615, 132753), (685, 119187), (697, 117135), (765, 106723), (779, 104805), (855, 95489), (969, 84255), (1233, 66215), (1615, 50553), (1845, 44251), (2055, 39729), (2091, 39045), (2329, 35055), (2337, 34935), (2603, 31365), (2907, 28085), (3485, 23427), (3895, 20961), (4845, 16851), (5617, 14535), (6165, 13243), (6273, 13015), (6987, 11685), (7011, 11645), (7809, 10455)]