28009401

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70199}}^1$

素因数の和:70228

約数の個数: 16

約数和(自身を含む): 44928000

約数和(自身を除く): 16918599

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70199, 210597, 491393, 1333781, 1474179, 4001343, 9336467, 28009401]

約数ペア:

[(1, 28009401), (3, 9336467), (7, 4001343), (19, 1474179), (21, 1333781), (57, 491393), (133, 210597), (399, 70199)]