858705921

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2167

約数の個数: 64

約数和(自身を含む): 1439078400

約数和(自身を除く): 580372479

約数列:

[1, 3, 9, 17, 27, 29, 31, 51, 87, 93, 153, 261, 279, 459, 493, 527, 783, 837, 899, 1479, 1581, 2081, 2697, 4437, 4743, 6243, 8091, 13311, 14229, 15283, 18729, 24273, 35377, 45849, 56187, 60349, 64511, 106131, 137547, 181047, 193533, 318393, 412641, 543141, 580599, 955179, 1025933, 1096687, 1629423, 1741797, 1870819, 3077799, 3290061, 5612457, 9233397, 9870183, 16837371, 27700191, 29610549, 31803923, 50512113, 95411769, 286235307, 858705921]

約数ペア:

[(1, 858705921), (3, 286235307), (9, 95411769), (17, 50512113), (27, 31803923), (29, 29610549), (31, 27700191), (51, 16837371), (87, 9870183), (93, 9233397), (153, 5612457), (261, 3290061), (279, 3077799), (459, 1870819), (493, 1741797), (527, 1629423), (783, 1096687), (837, 1025933), (899, 955179), (1479, 580599), (1581, 543141), (2081, 412641), (2697, 318393), (4437, 193533), (4743, 181047), (6243, 137547), (8091, 106131), (13311, 64511), (14229, 60349), (15283, 56187), (18729, 45849), (24273, 35377)]