2187255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 4114944

約数和(自身を除く): 1927689

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 563, 777, 1295, 1689, 2815, 3885, 3941, 8445, 11823, 19705, 20831, 59115, 62493, 104155, 145817, 312465, 437451, 729085, 2187255]

約数ペア:

[(1, 2187255), (3, 729085), (5, 437451), (7, 312465), (15, 145817), (21, 104155), (35, 62493), (37, 59115), (105, 20831), (111, 19705), (185, 11823), (259, 8445), (555, 3941), (563, 3885), (777, 2815), (1295, 1689)]