31780077

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5843}}^1$

素因数の和:5897

約数の個数: 24

約数和(自身を含む): 50632416

約数和(自身を除く): 18852339

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 5843, 17529, 40901, 122703, 216191, 286307, 648573, 858921, 1513337, 4540011, 10593359, 31780077]

約数ペア:

[(1, 31780077), (3, 10593359), (7, 4540011), (21, 1513337), (37, 858921), (49, 648573), (111, 286307), (147, 216191), (259, 122703), (777, 40901), (1813, 17529), (5439, 5843)]