27897507

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 20486493

約数列:

[1, 3, 9, 11, 27, 29, 33, 41, 79, 87, 99, 123, 237, 261, 297, 319, 369, 451, 711, 783, 869, 957, 1107, 1189, 1353, 2133, 2291, 2607, 2871, 3239, 3567, 4059, 6873, 7821, 8613, 9717, 10701, 12177, 13079, 20619, 23463, 25201, 29151, 32103, 35629, 39237, 61857, 75603, 87453, 93931, 106887, 117711, 226809, 281793, 320661, 353133, 680427, 845379, 961983, 1033241, 2536137, 3099723, 9299169, 27897507]

約数ペア:

[(1, 27897507), (3, 9299169), (9, 3099723), (11, 2536137), (27, 1033241), (29, 961983), (33, 845379), (41, 680427), (79, 353133), (87, 320661), (99, 281793), (123, 226809), (237, 117711), (261, 106887), (297, 93931), (319, 87453), (369, 75603), (451, 61857), (711, 39237), (783, 35629), (869, 32103), (957, 29151), (1107, 25201), (1189, 23463), (1353, 20619), (2133, 13079), (2291, 12177), (2607, 10701), (2871, 9717), (3239, 8613), (3567, 7821), (4059, 6873)]