28082019

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70381}}^1$

素因数の和:70410

約数の個数: 16

約数和(自身を含む): 45044480

約数和(自身を除く): 16962461

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70381, 211143, 492667, 1337239, 1478001, 4011717, 9360673, 28082019]

約数ペア:

[(1, 28082019), (3, 9360673), (7, 4011717), (19, 1478001), (21, 1337239), (57, 492667), (133, 211143), (399, 70381)]