278320401

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12113}}^1$

素因数の和:12182

約数の個数: 32

約数和(自身を含む): 441918720

約数和(自身を除く): 163598319

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 851, 999, 2553, 7659, 12113, 22977, 36339, 109017, 278599, 327051, 448181, 835797, 1344543, 2507391, 4033629, 7522173, 10308163, 12100887, 30924489, 92773467, 278320401]

約数ペア:

[(1, 278320401), (3, 92773467), (9, 30924489), (23, 12100887), (27, 10308163), (37, 7522173), (69, 4033629), (111, 2507391), (207, 1344543), (333, 835797), (621, 448181), (851, 327051), (999, 278599), (2553, 109017), (7659, 36339), (12113, 22977)]