31980987

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{3557}}^1$

素因数の和:3609

約数の個数: 24

約数和(自身を含む): 49214256

約数和(自身を除く): 17233269

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2997, 3557, 8991, 10671, 32013, 96039, 131609, 288117, 394827, 864351, 1184481, 3553443, 10660329, 31980987]

約数ペア:

[(1, 31980987), (3, 10660329), (9, 3553443), (27, 1184481), (37, 864351), (81, 394827), (111, 288117), (243, 131609), (333, 96039), (999, 32013), (2997, 10671), (3557, 8991)]