81337176

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19819}}^1$

素因数の和:19853

約数の個数: 64

約数和(自身を含む): 237840000

約数和(自身を除く): 156502824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 19819, 39638, 59457, 79276, 118914, 158552, 178371, 237828, 356742, 376561, 475656, 535113, 713484, 753122, 1070226, 1129683, 1426968, 1506244, 2140452, 2259366, 3012488, 3389049, 4280904, 4518732, 6778098, 9037464, 10167147, 13556196, 20334294, 27112392, 40668588, 81337176]

約数ペア:

[(1, 81337176), (2, 40668588), (3, 27112392), (4, 20334294), (6, 13556196), (8, 10167147), (9, 9037464), (12, 6778098), (18, 4518732), (19, 4280904), (24, 3389049), (27, 3012488), (36, 2259366), (38, 2140452), (54, 1506244), (57, 1426968), (72, 1129683), (76, 1070226), (108, 753122), (114, 713484), (152, 535113), (171, 475656), (216, 376561), (228, 356742), (342, 237828), (456, 178371), (513, 158552), (684, 118914), (1026, 79276), (1368, 59457), (2052, 39638), (4104, 19819)]