31912389

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 48372480

約数和(自身を除く): 16460091

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1739, 2039, 5217, 6117, 15651, 18351, 75443, 95833, 226329, 287499, 678987, 862497, 3545821, 10637463, 31912389]

約数ペア:

[(1, 31912389), (3, 10637463), (9, 3545821), (37, 862497), (47, 678987), (111, 287499), (141, 226329), (333, 95833), (423, 75443), (1739, 18351), (2039, 15651), (5217, 6117)]