28099197

素因数分解:

$3^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 49302720

約数和(自身を除く): 21203523

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 147, 189, 201, 317, 441, 469, 603, 951, 1323, 1407, 1809, 2219, 2853, 3283, 4221, 6657, 8559, 9849, 12663, 15533, 19971, 21239, 29547, 46599, 59913, 63717, 88641, 139797, 148673, 191151, 419391, 446019, 573453, 1040711, 1338057, 3122133, 4014171, 9366399, 28099197]

約数ペア:

[(1, 28099197), (3, 9366399), (7, 4014171), (9, 3122133), (21, 1338057), (27, 1040711), (49, 573453), (63, 446019), (67, 419391), (147, 191151), (189, 148673), (201, 139797), (317, 88641), (441, 63717), (469, 59913), (603, 46599), (951, 29547), (1323, 21239), (1407, 19971), (1809, 15533), (2219, 12663), (2853, 9849), (3283, 8559), (4221, 6657)]