1389921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 2017344

約数和(自身を除く): 627423

約数列:

[1, 3, 13, 39, 157, 227, 471, 681, 2041, 2951, 6123, 8853, 35639, 106917, 463307, 1389921]

約数ペア:

[(1, 1389921), (3, 463307), (13, 106917), (39, 35639), (157, 8853), (227, 6123), (471, 2951), (681, 2041)]