30973971

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 50112000

約数和(自身を除く): 19138029

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 447, 521, 1043, 1563, 2831, 3129, 3647, 8493, 9899, 10941, 19817, 29697, 59451, 69293, 77629, 207879, 232887, 543403, 1474951, 1630209, 4424853, 10324657, 30973971]

約数ペア:

[(1, 30973971), (3, 10324657), (7, 4424853), (19, 1630209), (21, 1474951), (57, 543403), (133, 232887), (149, 207879), (399, 77629), (447, 69293), (521, 59451), (1043, 29697), (1563, 19817), (2831, 10941), (3129, 9899), (3647, 8493)]