31242321

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 51965760

約数和(自身を除く): 20723439

約数列:

[1, 3, 9, 11, 27, 33, 73, 99, 121, 131, 219, 297, 363, 393, 657, 803, 1089, 1179, 1441, 1971, 2409, 3267, 3537, 4323, 7227, 8833, 9563, 12969, 15851, 21681, 26499, 28689, 38907, 47553, 79497, 86067, 105193, 142659, 238491, 258201, 315579, 427977, 946737, 1157123, 2840211, 3471369, 10414107, 31242321]

約数ペア:

[(1, 31242321), (3, 10414107), (9, 3471369), (11, 2840211), (27, 1157123), (33, 946737), (73, 427977), (99, 315579), (121, 258201), (131, 238491), (219, 142659), (297, 105193), (363, 86067), (393, 79497), (657, 47553), (803, 38907), (1089, 28689), (1179, 26499), (1441, 21681), (1971, 15851), (2409, 12969), (3267, 9563), (3537, 8833), (4323, 7227)]