28029351

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70249}}^1$

素因数の和:70278

約数の個数: 16

約数和(自身を含む): 44960000

約数和(自身を除く): 16930649

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70249, 210747, 491743, 1334731, 1475229, 4004193, 9343117, 28029351]

約数ペア:

[(1, 28029351), (3, 9343117), (7, 4004193), (19, 1475229), (21, 1334731), (57, 491743), (133, 210747), (399, 70249)]