28579473

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 47087040

約数和(自身を除く): 18507567

約数列:

[1, 3, 9, 13, 27, 39, 81, 83, 109, 117, 243, 249, 327, 351, 747, 981, 1053, 1079, 1417, 2241, 2943, 3159, 3237, 4251, 6723, 8829, 9047, 9711, 12753, 20169, 26487, 27141, 29133, 38259, 81423, 87399, 114777, 117611, 244269, 262197, 344331, 352833, 732807, 1058499, 2198421, 3175497, 9526491, 28579473]

約数ペア:

[(1, 28579473), (3, 9526491), (9, 3175497), (13, 2198421), (27, 1058499), (39, 732807), (81, 352833), (83, 344331), (109, 262197), (117, 244269), (243, 117611), (249, 114777), (327, 87399), (351, 81423), (747, 38259), (981, 29133), (1053, 27141), (1079, 26487), (1417, 20169), (2241, 12753), (2943, 9711), (3159, 9047), (3237, 8829), (4251, 6723)]