16787745

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28697}}^1$

素因数の和:28721

約数の個数: 24

約数和(自身を含む): 31338216

約数和(自身を除く): 14550471

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 28697, 86091, 143485, 258273, 373061, 430455, 1119183, 1291365, 1865305, 3357549, 5595915, 16787745]

約数ペア:

[(1, 16787745), (3, 5595915), (5, 3357549), (9, 1865305), (13, 1291365), (15, 1119183), (39, 430455), (45, 373061), (65, 258273), (117, 143485), (195, 86091), (585, 28697)]