31990329

素因数分解:

$3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{877}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 54506240

約数和(自身を除く): 22515911

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 193, 579, 877, 1351, 1737, 2631, 4053, 5211, 6139, 7893, 12159, 18417, 23679, 36477, 55251, 165753, 169261, 507783, 1184827, 1523349, 3554481, 4570047, 10663443, 31990329]

約数ペア:

[(1, 31990329), (3, 10663443), (7, 4570047), (9, 3554481), (21, 1523349), (27, 1184827), (63, 507783), (189, 169261), (193, 165753), (579, 55251), (877, 36477), (1351, 23679), (1737, 18417), (2631, 12159), (4053, 7893), (5211, 6139)]