81723816

素因数分解:

$2^3\times 3^{10}\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 88

約数和(自身を含む): 231175530

約数和(自身を除く): 149451714

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 173, 216, 243, 324, 346, 486, 519, 648, 692, 729, 972, 1038, 1384, 1458, 1557, 1944, 2076, 2187, 2916, 3114, 4152, 4374, 4671, 5832, 6228, 6561, 8748, 9342, 12456, 13122, 14013, 17496, 18684, 19683, 26244, 28026, 37368, 39366, 42039, 52488, 56052, 59049, 78732, 84078, 112104, 118098, 126117, 157464, 168156, 236196, 252234, 336312, 378351, 472392, 504468, 756702, 1008936, 1135053, 1513404, 2270106, 3026808, 3405159, 4540212, 6810318, 9080424, 10215477, 13620636, 20430954, 27241272, 40861908, 81723816]

約数ペア:

[(1, 81723816), (2, 40861908), (3, 27241272), (4, 20430954), (6, 13620636), (8, 10215477), (9, 9080424), (12, 6810318), (18, 4540212), (24, 3405159), (27, 3026808), (36, 2270106), (54, 1513404), (72, 1135053), (81, 1008936), (108, 756702), (162, 504468), (173, 472392), (216, 378351), (243, 336312), (324, 252234), (346, 236196), (486, 168156), (519, 157464), (648, 126117), (692, 118098), (729, 112104), (972, 84078), (1038, 78732), (1384, 59049), (1458, 56052), (1557, 52488), (1944, 42039), (2076, 39366), (2187, 37368), (2916, 28026), (3114, 26244), (4152, 19683), (4374, 18684), (4671, 17496), (5832, 14013), (6228, 13122), (6561, 12456), (8748, 9342)]