718802721

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17209}}^1$

素因数の和:17255

約数の個数: 64

約数和(自身を含む): 1387814400

約数和(自身を除く): 669011679

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 663, 819, 1071, 1547, 1989, 2457, 3213, 4641, 5967, 13923, 17209, 41769, 51627, 120463, 154881, 223717, 292553, 361389, 464643, 671151, 877659, 1084167, 1566019, 2013453, 2047871, 2632977, 3252501, 3803189, 4698057, 6040359, 6143613, 7898931, 11409567, 14094171, 18430839, 26622323, 34228701, 42282513, 55292517, 79866969, 102686103, 239600907, 718802721]

約数ペア:

[(1, 718802721), (3, 239600907), (7, 102686103), (9, 79866969), (13, 55292517), (17, 42282513), (21, 34228701), (27, 26622323), (39, 18430839), (51, 14094171), (63, 11409567), (91, 7898931), (117, 6143613), (119, 6040359), (153, 4698057), (189, 3803189), (221, 3252501), (273, 2632977), (351, 2047871), (357, 2013453), (459, 1566019), (663, 1084167), (819, 877659), (1071, 671151), (1547, 464643), (1989, 361389), (2457, 292553), (3213, 223717), (4641, 154881), (5967, 120463), (13923, 51627), (17209, 41769)]