728161407

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 1120304640

約数和(自身を除く): 392143233

約数列:

[1, 3, 9, 27, 79, 81, 83, 237, 243, 249, 457, 711, 747, 1371, 2133, 2241, 4113, 6399, 6557, 6723, 12339, 19197, 19671, 20169, 36103, 37017, 37931, 59013, 108309, 111051, 113793, 177039, 324927, 341379, 531117, 974781, 1024137, 1593351, 2924343, 2996549, 3072411, 8773029, 8989647, 9217233, 26968941, 80906823, 242720469, 728161407]

約数ペア:

[(1, 728161407), (3, 242720469), (9, 80906823), (27, 26968941), (79, 9217233), (81, 8989647), (83, 8773029), (237, 3072411), (243, 2996549), (249, 2924343), (457, 1593351), (711, 1024137), (747, 974781), (1371, 531117), (2133, 341379), (2241, 324927), (4113, 177039), (6399, 113793), (6557, 111051), (6723, 108309), (12339, 59013), (19197, 37931), (19671, 37017), (20169, 36103)]