72671753

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 99590400

約数和(自身を除く): 26918647

約数列:

[1, 7, 11, 17, 49, 77, 103, 119, 121, 187, 343, 539, 721, 833, 847, 1133, 1309, 1751, 2057, 3773, 5047, 5831, 5929, 7931, 9163, 12257, 12463, 14399, 19261, 35329, 41503, 55517, 64141, 85799, 87241, 100793, 134827, 211871, 388619, 600593, 610687, 705551, 943789, 1483097, 4274809, 6606523, 10381679, 72671753]

約数ペア:

[(1, 72671753), (7, 10381679), (11, 6606523), (17, 4274809), (49, 1483097), (77, 943789), (103, 705551), (119, 610687), (121, 600593), (187, 388619), (343, 211871), (539, 134827), (721, 100793), (833, 87241), (847, 85799), (1133, 64141), (1309, 55517), (1751, 41503), (2057, 35329), (3773, 19261), (5047, 14399), (5831, 12463), (5929, 12257), (7931, 9163)]