30638013

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 50749440

約数和(自身を除く): 20111427

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 2477, 4123, 7431, 12369, 17339, 47063, 52017, 76787, 141189, 230361, 329441, 537509, 988323, 1458953, 1612527, 4376859, 10212671, 30638013]

約数ペア:

[(1, 30638013), (3, 10212671), (7, 4376859), (19, 1612527), (21, 1458953), (31, 988323), (57, 537509), (93, 329441), (133, 230361), (217, 141189), (399, 76787), (589, 52017), (651, 47063), (1767, 17339), (2477, 12369), (4123, 7431)]