28713555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16361}}^1$

素因数の和:16388

約数の個数: 32

約数和(自身を含む): 54976320

約数和(自身を除く): 26262765

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 16361, 49083, 81805, 147249, 212693, 245415, 441747, 638079, 736245, 1063465, 1914237, 2208735, 3190395, 5742711, 9571185, 28713555]

約数ペア:

[(1, 28713555), (3, 9571185), (5, 5742711), (9, 3190395), (13, 2208735), (15, 1914237), (27, 1063465), (39, 736245), (45, 638079), (65, 441747), (117, 245415), (135, 212693), (195, 147249), (351, 81805), (585, 49083), (1755, 16361)]