38972921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 44833536

約数和(自身を除く): 5860615

約数列:

[1, 13, 31, 43, 169, 173, 403, 559, 1333, 2249, 5239, 5363, 7267, 7439, 17329, 29237, 69719, 96707, 225277, 230609, 906347, 1257191, 2997917, 38972921]

約数ペア:

[(1, 38972921), (13, 2997917), (31, 1257191), (43, 906347), (169, 230609), (173, 225277), (403, 96707), (559, 69719), (1333, 29237), (2249, 17329), (5239, 7439), (5363, 7267)]