161808381

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37223}}^1$

素因数の和:37262

約数の個数: 32

約数和(自身を含む): 285880320

約数和(自身を除く): 124071939

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 37223, 111669, 260561, 335007, 781683, 856129, 1005021, 2345049, 2568387, 5992903, 7035147, 7705161, 17978709, 23115483, 53936127, 161808381]

約数ペア:

[(1, 161808381), (3, 53936127), (7, 23115483), (9, 17978709), (21, 7705161), (23, 7035147), (27, 5992903), (63, 2568387), (69, 2345049), (161, 1005021), (189, 856129), (207, 781683), (483, 335007), (621, 260561), (1449, 111669), (4347, 37223)]