1988385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 3767040

約数和(自身を除く): 1778655

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 653, 1015, 1959, 3045, 3265, 4571, 9795, 13713, 18937, 22855, 56811, 68565, 94685, 132559, 284055, 397677, 662795, 1988385]

約数ペア:

[(1, 1988385), (3, 662795), (5, 397677), (7, 284055), (15, 132559), (21, 94685), (29, 68565), (35, 56811), (87, 22855), (105, 18937), (145, 13713), (203, 9795), (435, 4571), (609, 3265), (653, 3045), (1015, 1959)]