28177551

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 18996849

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 243, 323, 359, 459, 513, 969, 1077, 1377, 1539, 2907, 3231, 4131, 4617, 6103, 6821, 8721, 9693, 18309, 20463, 26163, 29079, 54927, 61389, 78489, 87237, 115957, 164781, 184167, 347871, 494343, 552501, 1043613, 1483029, 1657503, 3130839, 9392517, 28177551]

約数ペア:

[(1, 28177551), (3, 9392517), (9, 3130839), (17, 1657503), (19, 1483029), (27, 1043613), (51, 552501), (57, 494343), (81, 347871), (153, 184167), (171, 164781), (243, 115957), (323, 87237), (359, 78489), (459, 61389), (513, 54927), (969, 29079), (1077, 26163), (1377, 20463), (1539, 18309), (2907, 9693), (3231, 8721), (4131, 6821), (4617, 6103)]