2878551

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 4704000

約数和(自身を除く): 1825449

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 139, 177, 351, 417, 531, 767, 1251, 1593, 1807, 2301, 3753, 5421, 6903, 8201, 16263, 20709, 24603, 48789, 73809, 106613, 221427, 319839, 959517, 2878551]

約数ペア:

[(1, 2878551), (3, 959517), (9, 319839), (13, 221427), (27, 106613), (39, 73809), (59, 48789), (117, 24603), (139, 20709), (177, 16263), (351, 8201), (417, 6903), (531, 5421), (767, 3753), (1251, 2301), (1593, 1807)]