16221573

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 25625600

約数和(自身を除く): 9404027

約数列:

[1, 3, 9, 19, 27, 57, 103, 171, 307, 309, 513, 921, 927, 1957, 2763, 2781, 5833, 5871, 8289, 17499, 17613, 31621, 52497, 52839, 94863, 157491, 284589, 600799, 853767, 1802397, 5407191, 16221573]

約数ペア:

[(1, 16221573), (3, 5407191), (9, 1802397), (19, 853767), (27, 600799), (57, 284589), (103, 157491), (171, 94863), (307, 52839), (309, 52497), (513, 31621), (921, 17613), (927, 17499), (1957, 8289), (2763, 5871), (2781, 5833)]