31325427

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1549}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 53568000

約数和(自身を除く): 22242573

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 1549, 2247, 2889, 4647, 6741, 10843, 13941, 20223, 32529, 41823, 97587, 165743, 292761, 497229, 1160201, 1491687, 3480603, 4475061, 10441809, 31325427]

約数ペア:

[(1, 31325427), (3, 10441809), (7, 4475061), (9, 3480603), (21, 1491687), (27, 1160201), (63, 497229), (107, 292761), (189, 165743), (321, 97587), (749, 41823), (963, 32529), (1549, 20223), (2247, 13941), (2889, 10843), (4647, 6741)]