388430007

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{5171}}^1$

素因数の和:5268

約数の個数: 32

約数和(自身を含む): 612364800

約数和(自身を除く): 223934793

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 343, 511, 1029, 1533, 3577, 5171, 10731, 15513, 25039, 36197, 75117, 108591, 253379, 377483, 760137, 1132449, 1773653, 2642381, 5320959, 7927143, 18496667, 55490001, 129476669, 388430007]

約数ペア:

[(1, 388430007), (3, 129476669), (7, 55490001), (21, 18496667), (49, 7927143), (73, 5320959), (147, 2642381), (219, 1773653), (343, 1132449), (511, 760137), (1029, 377483), (1533, 253379), (3577, 108591), (5171, 75117), (10731, 36197), (15513, 25039)]