30972513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 52512768

約数和(自身を除く): 21540255

約数列:

[1, 3, 11, 13, 23, 33, 39, 43, 69, 73, 129, 143, 219, 253, 299, 429, 473, 559, 759, 803, 897, 949, 989, 1419, 1677, 1679, 2409, 2847, 2967, 3139, 3289, 5037, 6149, 9417, 9867, 10439, 10879, 12857, 18447, 18469, 21827, 31317, 32637, 34529, 38571, 40807, 55407, 65481, 72197, 103587, 122421, 141427, 216591, 240097, 424281, 448877, 720291, 794167, 938561, 1346631, 2382501, 2815683, 10324171, 30972513]

約数ペア:

[(1, 30972513), (3, 10324171), (11, 2815683), (13, 2382501), (23, 1346631), (33, 938561), (39, 794167), (43, 720291), (69, 448877), (73, 424281), (129, 240097), (143, 216591), (219, 141427), (253, 122421), (299, 103587), (429, 72197), (473, 65481), (559, 55407), (759, 40807), (803, 38571), (897, 34529), (949, 32637), (989, 31317), (1419, 21827), (1677, 18469), (1679, 18447), (2409, 12857), (2847, 10879), (2967, 10439), (3139, 9867), (3289, 9417), (5037, 6149)]