1989813

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4987}}^1$

素因数の和:5016

約数の個数: 16

約数和(自身を含む): 3192320

約数和(自身を除く): 1202507

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4987, 14961, 34909, 94753, 104727, 284259, 663271, 1989813]

約数ペア:

[(1, 1989813), (3, 663271), (7, 284259), (19, 104727), (21, 94753), (57, 34909), (133, 14961), (399, 4987)]