243375321

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{28901}}^1$

素因数の和:29312

約数の個数: 16

約数和(自身を含む): 371795328

約数和(自身を除く): 128420007

約数列:

[1, 3, 7, 21, 401, 1203, 2807, 8421, 28901, 86703, 202307, 606921, 11589301, 34767903, 81125107, 243375321]

約数ペア:

[(1, 243375321), (3, 81125107), (7, 34767903), (21, 11589301), (401, 606921), (1203, 202307), (2807, 86703), (8421, 28901)]