28173735

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 51577344

約数和(自身を除く): 23403609

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 163, 167, 207, 345, 489, 501, 815, 835, 1035, 1467, 1503, 2445, 2505, 3749, 3841, 7335, 7515, 11247, 11523, 18745, 19205, 27221, 33741, 34569, 56235, 57615, 81663, 136105, 168705, 172845, 244989, 408315, 626083, 1224945, 1878249, 3130415, 5634747, 9391245, 28173735]

約数ペア:

[(1, 28173735), (3, 9391245), (5, 5634747), (9, 3130415), (15, 1878249), (23, 1224945), (45, 626083), (69, 408315), (115, 244989), (163, 172845), (167, 168705), (207, 136105), (345, 81663), (489, 57615), (501, 56235), (815, 34569), (835, 33741), (1035, 27221), (1467, 19205), (1503, 18745), (2445, 11523), (2505, 11247), (3749, 7515), (3841, 7335)]