30999381

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 50761728

約数和(自身を除く): 19762347

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1223, 1491, 3621, 3669, 8449, 8561, 20791, 25347, 25683, 62373, 86833, 145537, 260499, 436611, 607831, 1476161, 1823493, 4428483, 10333127, 30999381]

約数ペア:

[(1, 30999381), (3, 10333127), (7, 4428483), (17, 1823493), (21, 1476161), (51, 607831), (71, 436611), (119, 260499), (213, 145537), (357, 86833), (497, 62373), (1207, 25683), (1223, 25347), (1491, 20791), (3621, 8561), (3669, 8449)]