211682079

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21961}}^1$

素因数の和:21997

約数の個数: 40

約数和(自身を含む): 382665888

約数和(自身を除く): 170983809

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 3213, 9639, 21961, 65883, 153727, 197649, 373337, 461181, 592947, 1120011, 1383543, 1778841, 2613359, 3360033, 4150629, 7840077, 10080099, 12451887, 23520231, 30240297, 70560693, 211682079]

約数ペア:

[(1, 211682079), (3, 70560693), (7, 30240297), (9, 23520231), (17, 12451887), (21, 10080099), (27, 7840077), (51, 4150629), (63, 3360033), (81, 2613359), (119, 1778841), (153, 1383543), (189, 1120011), (357, 592947), (459, 461181), (567, 373337), (1071, 197649), (1377, 153727), (3213, 65883), (9639, 21961)]