31505469

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 14113731

約数列:

[1, 3, 23, 59, 69, 71, 109, 177, 213, 327, 1357, 1633, 2507, 4071, 4189, 4899, 6431, 7521, 7739, 12567, 19293, 23217, 96347, 147913, 177997, 289041, 443739, 456601, 533991, 1369803, 10501823, 31505469]

約数ペア:

[(1, 31505469), (3, 10501823), (23, 1369803), (59, 533991), (69, 456601), (71, 443739), (109, 289041), (177, 177997), (213, 147913), (327, 96347), (1357, 23217), (1633, 19293), (2507, 12567), (4071, 7739), (4189, 7521), (4899, 6431)]