516287247

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{2153}}^1$

素因数の和:2783

約数の個数: 32

約数和(自身を含む): 829893120

約数和(自身を除く): 313605873

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 601, 1803, 2153, 4207, 6459, 11419, 12621, 15071, 34257, 40907, 45213, 79933, 122721, 239799, 286349, 859047, 1293953, 3881859, 9057671, 24585107, 27173013, 73755321, 172095749, 516287247]

約数ペア:

[(1, 516287247), (3, 172095749), (7, 73755321), (19, 27173013), (21, 24585107), (57, 9057671), (133, 3881859), (399, 1293953), (601, 859047), (1803, 286349), (2153, 239799), (4207, 122721), (6459, 79933), (11419, 45213), (12621, 40907), (15071, 34257)]