16457931

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 29317120

約数和(自身を除く): 12859189

約数列:

[1, 3, 7, 9, 21, 27, 31, 53, 63, 93, 159, 189, 217, 279, 371, 477, 651, 837, 1113, 1431, 1643, 1953, 2809, 3339, 4929, 5859, 8427, 10017, 11501, 14787, 19663, 25281, 34503, 44361, 58989, 75843, 87079, 103509, 176967, 261237, 310527, 530901, 609553, 783711, 1828659, 2351133, 5485977, 16457931]

約数ペア:

[(1, 16457931), (3, 5485977), (7, 2351133), (9, 1828659), (21, 783711), (27, 609553), (31, 530901), (53, 310527), (63, 261237), (93, 176967), (159, 103509), (189, 87079), (217, 75843), (279, 58989), (371, 44361), (477, 34503), (651, 25281), (837, 19663), (1113, 14787), (1431, 11501), (1643, 10017), (1953, 8427), (2809, 5859), (3339, 4929)]