318207729

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{467}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 493848576

約数和(自身を除く): 175640847

約数列:

[1, 3, 7, 21, 71, 213, 457, 467, 497, 1371, 1401, 1491, 3199, 3269, 9597, 9807, 32447, 33157, 97341, 99471, 213419, 227129, 232099, 640257, 681387, 696297, 1493933, 4481799, 15152749, 45458247, 106069243, 318207729]

約数ペア:

[(1, 318207729), (3, 106069243), (7, 45458247), (21, 15152749), (71, 4481799), (213, 1493933), (457, 696297), (467, 681387), (497, 640257), (1371, 232099), (1401, 227129), (1491, 213419), (3199, 99471), (3269, 97341), (9597, 33157), (9807, 32447)]