30985143

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 50380800

約数和(自身を除く): 19395657

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 983, 1501, 1659, 2949, 4503, 6881, 10507, 18677, 20643, 31521, 56031, 77657, 130739, 232971, 392217, 543599, 1475483, 1630797, 4426449, 10328381, 30985143]

約数ペア:

[(1, 30985143), (3, 10328381), (7, 4426449), (19, 1630797), (21, 1475483), (57, 543599), (79, 392217), (133, 232971), (237, 130739), (399, 77657), (553, 56031), (983, 31521), (1501, 20643), (1659, 18677), (2949, 10507), (4503, 6881)]