187890381

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43223}}^1$

素因数の和:43262

約数の個数: 32

約数和(自身を含む): 331960320

約数和(自身を除く): 144069939

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 43223, 129669, 302561, 389007, 907683, 994129, 1167021, 2723049, 2982387, 6958903, 8169147, 8947161, 20876709, 26841483, 62630127, 187890381]

約数ペア:

[(1, 187890381), (3, 62630127), (7, 26841483), (9, 20876709), (21, 8947161), (23, 8169147), (27, 6958903), (63, 2982387), (69, 2723049), (161, 1167021), (189, 994129), (207, 907683), (483, 389007), (621, 302561), (1449, 129669), (4347, 43223)]