81671706

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2140

約数の個数: 64

約数和(自身を含む): 196732800

約数和(自身を除く): 115061094

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 43, 51, 54, 86, 102, 129, 153, 258, 306, 387, 459, 731, 774, 918, 1161, 1462, 2069, 2193, 2322, 4138, 4386, 6207, 6579, 12414, 13158, 18621, 19737, 35173, 37242, 39474, 55863, 70346, 88967, 105519, 111726, 177934, 211038, 266901, 316557, 533802, 633114, 800703, 949671, 1512439, 1601406, 1899342, 2402109, 3024878, 4537317, 4804218, 9074634, 13611951, 27223902, 40835853, 81671706]

約数ペア:

[(1, 81671706), (2, 40835853), (3, 27223902), (6, 13611951), (9, 9074634), (17, 4804218), (18, 4537317), (27, 3024878), (34, 2402109), (43, 1899342), (51, 1601406), (54, 1512439), (86, 949671), (102, 800703), (129, 633114), (153, 533802), (258, 316557), (306, 266901), (387, 211038), (459, 177934), (731, 111726), (774, 105519), (918, 88967), (1161, 70346), (1462, 55863), (2069, 39474), (2193, 37242), (2322, 35173), (4138, 19737), (4386, 18621), (6207, 13158), (6579, 12414)]