27128745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 54542592

約数和(自身を除く): 27413847

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 639, 1065, 1213, 1491, 2485, 3195, 3639, 4473, 6065, 7455, 8491, 10917, 18195, 22365, 25473, 42455, 54585, 76419, 86123, 127365, 258369, 382095, 430615, 602861, 775107, 1291845, 1808583, 3014305, 3875535, 5425749, 9042915, 27128745]

約数ペア:

[(1, 27128745), (3, 9042915), (5, 5425749), (7, 3875535), (9, 3014305), (15, 1808583), (21, 1291845), (35, 775107), (45, 602861), (63, 430615), (71, 382095), (105, 258369), (213, 127365), (315, 86123), (355, 76419), (497, 54585), (639, 42455), (1065, 25473), (1213, 22365), (1491, 18195), (2485, 10917), (3195, 8491), (3639, 7455), (4473, 6065)]