28788045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13421}}^1$

素因数の和:13453

約数の個数: 32

約数和(自身を含む): 54117504

約数和(自身を除く): 25329459

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 13421, 40263, 67105, 147631, 174473, 201315, 442893, 523419, 738155, 872365, 1919203, 2214465, 2617095, 5757609, 9596015, 28788045]

約数ペア:

[(1, 28788045), (3, 9596015), (5, 5757609), (11, 2617095), (13, 2214465), (15, 1919203), (33, 872365), (39, 738155), (55, 523419), (65, 442893), (143, 201315), (165, 174473), (195, 147631), (429, 67105), (715, 40263), (2145, 13421)]