16721613

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{13177}}^1$

素因数の和:13233

約数の個数: 16

約数和(自身を含む): 25301760

約数和(自身を除く): 8580147

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 13177, 39531, 118593, 355779, 619319, 1857957, 5573871, 16721613]

約数ペア:

[(1, 16721613), (3, 5573871), (9, 1857957), (27, 619319), (47, 355779), (141, 118593), (423, 39531), (1269, 13177)]