1644225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1993}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 2967072

約数和(自身を除く): 1322847

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 1993, 5979, 9965, 21923, 29895, 49825, 65769, 109615, 149475, 328845, 548075, 1644225]

約数ペア:

[(1, 1644225), (3, 548075), (5, 328845), (11, 149475), (15, 109615), (25, 65769), (33, 49825), (55, 29895), (75, 21923), (165, 9965), (275, 5979), (825, 1993)]