207963987

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1021

約数の個数: 64

約数和(自身を含む): 371712000

約数和(自身を除く): 163748013

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 343, 399, 539, 627, 931, 967, 1029, 1463, 1617, 2793, 2901, 3773, 4389, 6517, 6769, 10241, 10637, 11319, 18373, 19551, 20307, 30723, 31911, 47383, 55119, 71687, 74459, 128611, 142149, 202103, 215061, 223377, 331681, 385833, 521213, 606309, 900277, 995043, 1414721, 1563639, 2700831, 3648491, 4244163, 6301939, 9903047, 10945473, 18905817, 29709141, 69321329, 207963987]

約数ペア:

[(1, 207963987), (3, 69321329), (7, 29709141), (11, 18905817), (19, 10945473), (21, 9903047), (33, 6301939), (49, 4244163), (57, 3648491), (77, 2700831), (133, 1563639), (147, 1414721), (209, 995043), (231, 900277), (343, 606309), (399, 521213), (539, 385833), (627, 331681), (931, 223377), (967, 215061), (1029, 202103), (1463, 142149), (1617, 128611), (2793, 74459), (2901, 71687), (3773, 55119), (4389, 47383), (6517, 31911), (6769, 30723), (10241, 20307), (10637, 19551), (11319, 18373)]